Home / 86,995,126.24-120,052,364.42-64,767,498.89

Finding the Fourth Proportional to 86,995,126.24, 120,052,364.42 and 64,767,498.89

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Solution

The fourth proportional to 86,995,126.24, 120,052,364.42 and 64,767,498.89 is: 89,378,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,995,126.24 : 120,052,364.42 = 64,767,498.89 : x
  2. Step 2: Convert to fraction form
    86,995,126.24/120,052,364.42 = 64,767,498.89/x
  3. Step 3: Cross multiply
    86,995,126.24x = 120,052,364.42 × 64,767,498.89
  4. Step 4: Simplify right side
    86,995,126.24x = 7,775,491,378,875,882
  5. Step 5: Solve for x
    x = 7,775,491,378,875,882/86,995,126.24
  6. Step 6: Final answer
    x = 89,378,471.13

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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.