Home / 83,561,308.15-115,315,022.61-52,217,557.45

Finding the Fourth Proportional to 83,561,308.15, 115,315,022.61 and 52,217,557.45

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Solution

The fourth proportional to 83,561,308.15, 115,315,022.61 and 52,217,557.45 is: 72,060,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561,308.15 : 115,315,022.61 = 52,217,557.45 : x
  2. Step 2: Convert to fraction form
    83,561,308.15/115,315,022.61 = 52,217,557.45/x
  3. Step 3: Cross multiply
    83,561,308.15x = 115,315,022.61 × 52,217,557.45
  4. Step 4: Simplify right side
    83,561,308.15x = 6,021,468,817,985,724
  5. Step 5: Solve for x
    x = 6,021,468,817,985,724/83,561,308.15
  6. Step 6: Final answer
    x = 72,060,490.09

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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.