Home / 74,751,331.20-112,158,489.60-40,697,116.80

Finding the Fourth Proportional to 74,751,331.20, 112,158,489.60 and 40,697,116.80

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Solution

The fourth proportional to 74,751,331.20, 112,158,489.60 and 40,697,116.80 is: 61,062,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,751,331.20 : 112,158,489.60 = 40,697,116.80 : x
  2. Step 2: Convert to fraction form
    74,751,331.20/112,158,489.60 = 40,697,116.80/x
  3. Step 3: Cross multiply
    74,751,331.20x = 112,158,489.60 × 40,697,116.80
  4. Step 4: Simplify right side
    74,751,331.20x = 4,564,527,151,362,785
  5. Step 5: Solve for x
    x = 4,564,527,151,362,785/74,751,331.20
  6. Step 6: Final answer
    x = 61,062,820.93

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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.