Home / 82,700,880.30-124,051,320.45-55,491,101.10

Finding the Fourth Proportional to 82,700,880.30, 124,051,320.45 and 55,491,101.10

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Solution

The fourth proportional to 82,700,880.30, 124,051,320.45 and 55,491,101.10 is: 83,236,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,700,880.30 : 124,051,320.45 = 55,491,101.10 : x
  2. Step 2: Convert to fraction form
    82,700,880.30/124,051,320.45 = 55,491,101.10/x
  3. Step 3: Cross multiply
    82,700,880.30x = 124,051,320.45 × 55,491,101.10
  4. Step 4: Simplify right side
    82,700,880.30x = 6,883,744,364,679,448
  5. Step 5: Solve for x
    x = 6,883,744,364,679,448/82,700,880.30
  6. Step 6: Final answer
    x = 83,236,651.65

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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.