Home / 97,005,697.20-145,508,545.80-84,251,113.20

Finding the Fourth Proportional to 97,005,697.20, 145,508,545.80 and 84,251,113.20

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Solution

The fourth proportional to 97,005,697.20, 145,508,545.80 and 84,251,113.20 is: 126,376,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,005,697.20 : 145,508,545.80 = 84,251,113.20 : x
  2. Step 2: Convert to fraction form
    97,005,697.20/145,508,545.80 = 84,251,113.20/x
  3. Step 3: Cross multiply
    97,005,697.20x = 145,508,545.80 × 84,251,113.20
  4. Step 4: Simplify right side
    97,005,697.20x = 12,259,256,963,763,186
  5. Step 5: Solve for x
    x = 12,259,256,963,763,186/97,005,697.20
  6. Step 6: Final answer
    x = 126,376,669.80

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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.