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Finding the Fourth Proportional to 80,402,430.71, 120,605,220.71 and 22,896,179.39

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Solution

The fourth proportional to 80,402,430.71, 120,605,220.71 and 22,896,179.39 is: 34,344,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402,430.71 : 120,605,220.71 = 22,896,179.39 : x
  2. Step 2: Convert to fraction form
    80,402,430.71/120,605,220.71 = 22,896,179.39/x
  3. Step 3: Cross multiply
    80,402,430.71x = 120,605,220.71 × 22,896,179.39
  4. Step 4: Simplify right side
    80,402,430.71x = 2,761,398,768,632,222.50
  5. Step 5: Solve for x
    x = 2,761,398,768,632,222.50/80,402,430.71
  6. Step 6: Final answer
    x = 34,344,717.49

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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.