Home / 143,607,816,059.20-215,411,724,088.80-69,223,082,171.20

Finding the Fourth Proportional to 143,607,816,059.20, 215,411,724,088.80 and 69,223,082,171.20

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Solution

The fourth proportional to 143,607,816,059.20, 215,411,724,088.80 and 69,223,082,171.20 is: 103,834,623,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,816,059.20 : 215,411,724,088.80 = 69,223,082,171.20 : x
  2. Step 2: Convert to fraction form
    143,607,816,059.20/215,411,724,088.80 = 69,223,082,171.20/x
  3. Step 3: Cross multiply
    143,607,816,059.20x = 215,411,724,088.80 × 69,223,082,171.20
  4. Step 4: Simplify right side
    143,607,816,059.20x = 14,911,463,477,238,862,708,736
  5. Step 5: Solve for x
    x = 14,911,463,477,238,862,708,736/143,607,816,059.20
  6. Step 6: Final answer
    x = 103,834,623,256.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.