Home / 71,666,939.58-98,900,373.51-40,727,168.70

Finding the Fourth Proportional to 71,666,939.58, 98,900,373.51 and 40,727,168.70

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Solution

The fourth proportional to 71,666,939.58, 98,900,373.51 and 40,727,168.70 is: 56,203,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,666,939.58 : 98,900,373.51 = 40,727,168.70 : x
  2. Step 2: Convert to fraction form
    71,666,939.58/98,900,373.51 = 40,727,168.70/x
  3. Step 3: Cross multiply
    71,666,939.58x = 98,900,373.51 × 40,727,168.70
  4. Step 4: Simplify right side
    71,666,939.58x = 4,027,932,196,434,781.50
  5. Step 5: Solve for x
    x = 4,027,932,196,434,781.50/71,666,939.58
  6. Step 6: Final answer
    x = 56,203,491.04

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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.