Home / 122,589,753.72-169,173,805.50-70,382,156.28

Finding the Fourth Proportional to 122,589,753.72, 169,173,805.50 and 70,382,156.28

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Solution

The fourth proportional to 122,589,753.72, 169,173,805.50 and 70,382,156.28 is: 97,127,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589,753.72 : 169,173,805.50 = 70,382,156.28 : x
  2. Step 2: Convert to fraction form
    122,589,753.72/169,173,805.50 = 70,382,156.28/x
  3. Step 3: Cross multiply
    122,589,753.72x = 169,173,805.50 × 70,382,156.28
  4. Step 4: Simplify right side
    122,589,753.72x = 11,906,817,217,183,324
  5. Step 5: Solve for x
    x = 11,906,817,217,183,324/122,589,753.72
  6. Step 6: Final answer
    x = 97,127,344.30

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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.