Home / 143,736,403.80-215,604,605.70-109,724,179.80

Finding the Fourth Proportional to 143,736,403.80, 215,604,605.70 and 109,724,179.80

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Solution

The fourth proportional to 143,736,403.80, 215,604,605.70 and 109,724,179.80 is: 164,586,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736,403.80 : 215,604,605.70 = 109,724,179.80 : x
  2. Step 2: Convert to fraction form
    143,736,403.80/215,604,605.70 = 109,724,179.80/x
  3. Step 3: Cross multiply
    143,736,403.80x = 215,604,605.70 × 109,724,179.80
  4. Step 4: Simplify right side
    143,736,403.80x = 23,657,038,521,534,904
  5. Step 5: Solve for x
    x = 23,657,038,521,534,904/143,736,403.80
  6. Step 6: Final answer
    x = 164,586,269.70

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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.