Home / 102,406,541.60-153,609,812.40-67,969,164.80

Finding the Fourth Proportional to 102,406,541.60, 153,609,812.40 and 67,969,164.80

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Solution

The fourth proportional to 102,406,541.60, 153,609,812.40 and 67,969,164.80 is: 101,953,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,406,541.60 : 153,609,812.40 = 67,969,164.80 : x
  2. Step 2: Convert to fraction form
    102,406,541.60/153,609,812.40 = 67,969,164.80/x
  3. Step 3: Cross multiply
    102,406,541.60x = 153,609,812.40 × 67,969,164.80
  4. Step 4: Simplify right side
    102,406,541.60x = 10,440,730,653,912,684
  5. Step 5: Solve for x
    x = 10,440,730,653,912,684/102,406,541.60
  6. Step 6: Final answer
    x = 101,953,747.20

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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.