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Finding the Fourth Proportional to 107,841,862.60, 161,762,793.90 and 101,889,723.40

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Solution

The fourth proportional to 107,841,862.60, 161,762,793.90 and 101,889,723.40 is: 152,834,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,862.60 : 161,762,793.90 = 101,889,723.40 : x
  2. Step 2: Convert to fraction form
    107,841,862.60/161,762,793.90 = 101,889,723.40/x
  3. Step 3: Cross multiply
    107,841,862.60x = 161,762,793.90 × 101,889,723.40
  4. Step 4: Simplify right side
    107,841,862.60x = 16,481,966,326,882,208
  5. Step 5: Solve for x
    x = 16,481,966,326,882,208/107,841,862.60
  6. Step 6: Final answer
    x = 152,834,585.10

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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.