Home / 133,877,681.28-200,924,146.08-69,200,455.68

Finding the Fourth Proportional to 133,877,681.28, 200,924,146.08 and 69,200,455.68

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Solution

The fourth proportional to 133,877,681.28, 200,924,146.08 and 69,200,455.68 is: 103,856,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,877,681.28 : 200,924,146.08 = 69,200,455.68 : x
  2. Step 2: Convert to fraction form
    133,877,681.28/200,924,146.08 = 69,200,455.68/x
  3. Step 3: Cross multiply
    133,877,681.28x = 200,924,146.08 × 69,200,455.68
  4. Step 4: Simplify right side
    133,877,681.28x = 13,904,042,465,850,888
  5. Step 5: Solve for x
    x = 13,904,042,465,850,888/133,877,681.28
  6. Step 6: Final answer
    x = 103,856,313.71

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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.