Home / 86,087,934.72-129,207,694.08-45,176,586.24

Finding the Fourth Proportional to 86,087,934.72, 129,207,694.08 and 45,176,586.24

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Solution

The fourth proportional to 86,087,934.72, 129,207,694.08 and 45,176,586.24 is: 67,804,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,087,934.72 : 129,207,694.08 = 45,176,586.24 : x
  2. Step 2: Convert to fraction form
    86,087,934.72/129,207,694.08 = 45,176,586.24/x
  3. Step 3: Cross multiply
    86,087,934.72x = 129,207,694.08 × 45,176,586.24
  4. Step 4: Simplify right side
    86,087,934.72x = 5,837,162,534,476,658
  5. Step 5: Solve for x
    x = 5,837,162,534,476,658/86,087,934.72
  6. Step 6: Final answer
    x = 67,804,652.92

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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.