Home / 55,486,064.52-76,570,658.10-31,039,778.52

Finding the Fourth Proportional to 55,486,064.52, 76,570,658.10 and 31,039,778.52

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Solution

The fourth proportional to 55,486,064.52, 76,570,658.10 and 31,039,778.52 is: 42,834,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486,064.52 : 76,570,658.10 = 31,039,778.52 : x
  2. Step 2: Convert to fraction form
    55,486,064.52/76,570,658.10 = 31,039,778.52/x
  3. Step 3: Cross multiply
    55,486,064.52x = 76,570,658.10 × 31,039,778.52
  4. Step 4: Simplify right side
    55,486,064.52x = 2,376,736,268,554,644
  5. Step 5: Solve for x
    x = 2,376,736,268,554,644/55,486,064.52
  6. Step 6: Final answer
    x = 42,834,832.30

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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.