Home / 133,712,672.40-200,569,008.60-120,798,656.10

Finding the Fourth Proportional to 133,712,672.40, 200,569,008.60 and 120,798,656.10

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Solution

The fourth proportional to 133,712,672.40, 200,569,008.60 and 120,798,656.10 is: 181,197,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712,672.40 : 200,569,008.60 = 120,798,656.10 : x
  2. Step 2: Convert to fraction form
    133,712,672.40/200,569,008.60 = 120,798,656.10/x
  3. Step 3: Cross multiply
    133,712,672.40x = 200,569,008.60 × 120,798,656.10
  4. Step 4: Simplify right side
    133,712,672.40x = 24,228,466,694,189,340
  5. Step 5: Solve for x
    x = 24,228,466,694,189,340/133,712,672.40
  6. Step 6: Final answer
    x = 181,197,984.15

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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.