Home / 149,287,627.20-223,931,440.80-84,717,545.70

Finding the Fourth Proportional to 149,287,627.20, 223,931,440.80 and 84,717,545.70

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Solution

The fourth proportional to 149,287,627.20, 223,931,440.80 and 84,717,545.70 is: 127,076,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,287,627.20 : 223,931,440.80 = 84,717,545.70 : x
  2. Step 2: Convert to fraction form
    149,287,627.20/223,931,440.80 = 84,717,545.70/x
  3. Step 3: Cross multiply
    149,287,627.20x = 223,931,440.80 × 84,717,545.70
  4. Step 4: Simplify right side
    149,287,627.20x = 18,970,922,069,640,848
  5. Step 5: Solve for x
    x = 18,970,922,069,640,848/149,287,627.20
  6. Step 6: Final answer
    x = 127,076,318.55

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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.