Home / 82,173,154.42-113,398,992.85-45,005,772.17

Finding the Fourth Proportional to 82,173,154.42, 113,398,992.85 and 45,005,772.17

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Solution

The fourth proportional to 82,173,154.42, 113,398,992.85 and 45,005,772.17 is: 62,107,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173,154.42 : 113,398,992.85 = 45,005,772.17 : x
  2. Step 2: Convert to fraction form
    82,173,154.42/113,398,992.85 = 45,005,772.17/x
  3. Step 3: Cross multiply
    82,173,154.42x = 113,398,992.85 × 45,005,772.17
  4. Step 4: Simplify right side
    82,173,154.42x = 5,103,609,236,514,559
  5. Step 5: Solve for x
    x = 5,103,609,236,514,559/82,173,154.42
  6. Step 6: Final answer
    x = 62,107,987.37

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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.