Home / 51,676,139.77-77,529,343.12-15,285,499.20

Finding the Fourth Proportional to 51,676,139.77, 77,529,343.12 and 15,285,499.20

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Solution

The fourth proportional to 51,676,139.77, 77,529,343.12 and 15,285,499.20 is: 22,932,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,676,139.77 : 77,529,343.12 = 15,285,499.20 : x
  2. Step 2: Convert to fraction form
    51,676,139.77/77,529,343.12 = 15,285,499.20/x
  3. Step 3: Cross multiply
    51,676,139.77x = 77,529,343.12 × 15,285,499.20
  4. Step 4: Simplify right side
    51,676,139.77x = 1,185,074,712,199,071.75
  5. Step 5: Solve for x
    x = 1,185,074,712,199,071.75/51,676,139.77
  6. Step 6: Final answer
    x = 22,932,725.19

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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.