Home / 86,472,861.40-119,320,775.57-51,658,159.06

Finding the Fourth Proportional to 86,472,861.40, 119,320,775.57 and 51,658,159.06

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Solution

The fourth proportional to 86,472,861.40, 119,320,775.57 and 51,658,159.06 is: 71,281,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472,861.40 : 119,320,775.57 = 51,658,159.06 : x
  2. Step 2: Convert to fraction form
    86,472,861.40/119,320,775.57 = 51,658,159.06/x
  3. Step 3: Cross multiply
    86,472,861.40x = 119,320,775.57 × 51,658,159.06
  4. Step 4: Simplify right side
    86,472,861.40x = 6,163,891,603,835,919
  5. Step 5: Solve for x
    x = 6,163,891,603,835,919/86,472,861.40
  6. Step 6: Final answer
    x = 71,281,226.32

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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.