Home / 82,997,195.40-124,495,793.10-80,605,710.90

Finding the Fourth Proportional to 82,997,195.40, 124,495,793.10 and 80,605,710.90

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Solution

The fourth proportional to 82,997,195.40, 124,495,793.10 and 80,605,710.90 is: 120,908,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,997,195.40 : 124,495,793.10 = 80,605,710.90 : x
  2. Step 2: Convert to fraction form
    82,997,195.40/124,495,793.10 = 80,605,710.90/x
  3. Step 3: Cross multiply
    82,997,195.40x = 124,495,793.10 × 80,605,710.90
  4. Step 4: Simplify right side
    82,997,195.40x = 10,035,071,906,884,816
  5. Step 5: Solve for x
    x = 10,035,071,906,884,816/82,997,195.40
  6. Step 6: Final answer
    x = 120,908,566.35

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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.