Home / 82,728,291.60-124,092,437.40-54,987,071.40

Finding the Fourth Proportional to 82,728,291.60, 124,092,437.40 and 54,987,071.40

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Solution

The fourth proportional to 82,728,291.60, 124,092,437.40 and 54,987,071.40 is: 82,480,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,291.60 : 124,092,437.40 = 54,987,071.40 : x
  2. Step 2: Convert to fraction form
    82,728,291.60/124,092,437.40 = 54,987,071.40/x
  3. Step 3: Cross multiply
    82,728,291.60x = 124,092,437.40 × 54,987,071.40
  4. Step 4: Simplify right side
    82,728,291.60x = 6,823,479,715,513,831
  5. Step 5: Solve for x
    x = 6,823,479,715,513,831/82,728,291.60
  6. Step 6: Final answer
    x = 82,480,607.10

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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.