Home / 102,406,539.60-153,609,809.40-67,969,162.80

Finding the Fourth Proportional to 102,406,539.60, 153,609,809.40 and 67,969,162.80

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Solution

The fourth proportional to 102,406,539.60, 153,609,809.40 and 67,969,162.80 is: 101,953,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,406,539.60 : 153,609,809.40 = 67,969,162.80 : x
  2. Step 2: Convert to fraction form
    102,406,539.60/153,609,809.40 = 67,969,162.80/x
  3. Step 3: Cross multiply
    102,406,539.60x = 153,609,809.40 × 67,969,162.80
  4. Step 4: Simplify right side
    102,406,539.60x = 10,440,730,142,785,570
  5. Step 5: Solve for x
    x = 10,440,730,142,785,570/102,406,539.60
  6. Step 6: Final answer
    x = 101,953,744.20

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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.