Home / 123,484,447.42-170,408,781.02-67,730,321.66

Finding the Fourth Proportional to 123,484,447.42, 170,408,781.02 and 67,730,321.66

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Solution

The fourth proportional to 123,484,447.42, 170,408,781.02 and 67,730,321.66 is: 93,467,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484,447.42 : 170,408,781.02 = 67,730,321.66 : x
  2. Step 2: Convert to fraction form
    123,484,447.42/170,408,781.02 = 67,730,321.66/x
  3. Step 3: Cross multiply
    123,484,447.42x = 170,408,781.02 × 67,730,321.66
  4. Step 4: Simplify right side
    123,484,447.42x = 11,541,841,551,490,386
  5. Step 5: Solve for x
    x = 11,541,841,551,490,386/123,484,447.42
  6. Step 6: Final answer
    x = 93,467,977.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.