Home / 191,720,676,301.60-287,581,014,452.40-80,005,825,962.40

Finding the Fourth Proportional to 191,720,676,301.60, 287,581,014,452.40 and 80,005,825,962.40

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Solution

The fourth proportional to 191,720,676,301.60, 287,581,014,452.40 and 80,005,825,962.40 is: 120,008,738,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,720,676,301.60 : 287,581,014,452.40 = 80,005,825,962.40 : x
  2. Step 2: Convert to fraction form
    191,720,676,301.60/287,581,014,452.40 = 80,005,825,962.40/x
  3. Step 3: Cross multiply
    191,720,676,301.60x = 287,581,014,452.40 × 80,005,825,962.40
  4. Step 4: Simplify right side
    191,720,676,301.60x = 23,008,156,592,369,154,654,208
  5. Step 5: Solve for x
    x = 23,008,156,592,369,154,654,208/191,720,676,301.60
  6. Step 6: Final answer
    x = 120,008,738,943.60

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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.