Home / 102,909,545.41-142,019,166.41-56,501,755.33

Finding the Fourth Proportional to 102,909,545.41, 142,019,166.41 and 56,501,755.33

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Solution

The fourth proportional to 102,909,545.41, 142,019,166.41 and 56,501,755.33 is: 77,974,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,909,545.41 : 142,019,166.41 = 56,501,755.33 : x
  2. Step 2: Convert to fraction form
    102,909,545.41/142,019,166.41 = 56,501,755.33/x
  3. Step 3: Cross multiply
    102,909,545.41x = 142,019,166.41 × 56,501,755.33
  4. Step 4: Simplify right side
    102,909,545.41x = 8,024,332,192,099,533
  5. Step 5: Solve for x
    x = 8,024,332,192,099,533/102,909,545.41
  6. Step 6: Final answer
    x = 77,974,615.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.