Home / 129,727,228.31-179,023,558.35-70,989,877.95

Finding the Fourth Proportional to 129,727,228.31, 179,023,558.35 and 70,989,877.95

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Solution

The fourth proportional to 129,727,228.31, 179,023,558.35 and 70,989,877.95 is: 97,966,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,727,228.31 : 179,023,558.35 = 70,989,877.95 : x
  2. Step 2: Convert to fraction form
    129,727,228.31/179,023,558.35 = 70,989,877.95/x
  3. Step 3: Cross multiply
    129,727,228.31x = 179,023,558.35 × 70,989,877.95
  4. Step 4: Simplify right side
    129,727,228.31x = 12,708,860,557,441,204
  5. Step 5: Solve for x
    x = 12,708,860,557,441,204/129,727,228.31
  6. Step 6: Final answer
    x = 97,966,022.43

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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.