Home / 45,985,952.15-68,979,177.30-13,638,134.95

Finding the Fourth Proportional to 45,985,952.15, 68,979,177.30 and 13,638,134.95

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Solution

The fourth proportional to 45,985,952.15, 68,979,177.30 and 13,638,134.95 is: 20,457,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985,952.15 : 68,979,177.30 = 13,638,134.95 : x
  2. Step 2: Convert to fraction form
    45,985,952.15/68,979,177.30 = 13,638,134.95/x
  3. Step 3: Cross multiply
    45,985,952.15x = 68,979,177.30 × 13,638,134.95
  4. Step 4: Simplify right side
    45,985,952.15x = 940,747,328,894,743.50
  5. Step 5: Solve for x
    x = 940,747,328,894,743.50/45,985,952.15
  6. Step 6: Final answer
    x = 20,457,276.30

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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.