Home / 143,807,720.40-215,711,580.60-46,766,593.80

Finding the Fourth Proportional to 143,807,720.40, 215,711,580.60 and 46,766,593.80

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Solution

The fourth proportional to 143,807,720.40, 215,711,580.60 and 46,766,593.80 is: 70,149,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,807,720.40 : 215,711,580.60 = 46,766,593.80 : x
  2. Step 2: Convert to fraction form
    143,807,720.40/215,711,580.60 = 46,766,593.80/x
  3. Step 3: Cross multiply
    143,807,720.40x = 215,711,580.60 × 46,766,593.80
  4. Step 4: Simplify right side
    143,807,720.40x = 10,088,095,867,876,160
  5. Step 5: Solve for x
    x = 10,088,095,867,876,160/143,807,720.40
  6. Step 6: Final answer
    x = 70,149,890.70

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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.