Home / 133,748,439.20-200,622,658.80-42,881,213.60

Finding the Fourth Proportional to 133,748,439.20, 200,622,658.80 and 42,881,213.60

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Solution

The fourth proportional to 133,748,439.20, 200,622,658.80 and 42,881,213.60 is: 64,321,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,748,439.20 : 200,622,658.80 = 42,881,213.60 : x
  2. Step 2: Convert to fraction form
    133,748,439.20/200,622,658.80 = 42,881,213.60/x
  3. Step 3: Cross multiply
    133,748,439.20x = 200,622,658.80 × 42,881,213.60
  4. Step 4: Simplify right side
    133,748,439.20x = 8,602,943,085,002,720
  5. Step 5: Solve for x
    x = 8,602,943,085,002,720/133,748,439.20
  6. Step 6: Final answer
    x = 64,321,820.40

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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.