Home / 74,887,712.40-112,331,568.60-62,122,630.80

Finding the Fourth Proportional to 74,887,712.40, 112,331,568.60 and 62,122,630.80

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Solution

The fourth proportional to 74,887,712.40, 112,331,568.60 and 62,122,630.80 is: 93,183,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887,712.40 : 112,331,568.60 = 62,122,630.80 : x
  2. Step 2: Convert to fraction form
    74,887,712.40/112,331,568.60 = 62,122,630.80/x
  3. Step 3: Cross multiply
    74,887,712.40x = 112,331,568.60 × 62,122,630.80
  4. Step 4: Simplify right side
    74,887,712.40x = 6,978,332,563,322,672
  5. Step 5: Solve for x
    x = 6,978,332,563,322,672/74,887,712.40
  6. Step 6: Final answer
    x = 93,183,946.20

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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.