Home / 143,736,400.80-215,604,601.20-109,724,176.80

Finding the Fourth Proportional to 143,736,400.80, 215,604,601.20 and 109,724,176.80

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Solution

The fourth proportional to 143,736,400.80, 215,604,601.20 and 109,724,176.80 is: 164,586,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736,400.80 : 215,604,601.20 = 109,724,176.80 : x
  2. Step 2: Convert to fraction form
    143,736,400.80/215,604,601.20 = 109,724,176.80/x
  3. Step 3: Cross multiply
    143,736,400.80x = 215,604,601.20 × 109,724,176.80
  4. Step 4: Simplify right side
    143,736,400.80x = 23,657,037,380,962,292
  5. Step 5: Solve for x
    x = 23,657,037,380,962,292/143,736,400.80
  6. Step 6: Final answer
    x = 164,586,265.20

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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.