Home / 109,535,118.86-164,060,500.16-74,909,462.78

Finding the Fourth Proportional to 109,535,118.86, 164,060,500.16 and 74,909,462.78

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Solution

The fourth proportional to 109,535,118.86, 164,060,500.16 and 74,909,462.78 is: 112,198,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,535,118.86 : 164,060,500.16 = 74,909,462.78 : x
  2. Step 2: Convert to fraction form
    109,535,118.86/164,060,500.16 = 74,909,462.78/x
  3. Step 3: Cross multiply
    109,535,118.86x = 164,060,500.16 × 74,909,462.78
  4. Step 4: Simplify right side
    109,535,118.86x = 12,289,683,930,403,704
  5. Step 5: Solve for x
    x = 12,289,683,930,403,704/109,535,118.86
  6. Step 6: Final answer
    x = 112,198,572.10

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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.