Home / 94,764,123.50-142,793,019.89-77,870,755.15

Finding the Fourth Proportional to 94,764,123.50, 142,793,019.89 and 77,870,755.15

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Solution

The fourth proportional to 94,764,123.50, 142,793,019.89 and 77,870,755.15 is: 117,337,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,764,123.50 : 142,793,019.89 = 77,870,755.15 : x
  2. Step 2: Convert to fraction form
    94,764,123.50/142,793,019.89 = 77,870,755.15/x
  3. Step 3: Cross multiply
    94,764,123.50x = 142,793,019.89 × 77,870,755.15
  4. Step 4: Simplify right side
    94,764,123.50x = 11,119,400,288,528,946
  5. Step 5: Solve for x
    x = 11,119,400,288,528,946/94,764,123.50
  6. Step 6: Final answer
    x = 117,337,657.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.