Home / 87,310,337.40-130,965,506.10-29,804,484.60

Finding the Fourth Proportional to 87,310,337.40, 130,965,506.10 and 29,804,484.60

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Solution

The fourth proportional to 87,310,337.40, 130,965,506.10 and 29,804,484.60 is: 44,706,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310,337.40 : 130,965,506.10 = 29,804,484.60 : x
  2. Step 2: Convert to fraction form
    87,310,337.40/130,965,506.10 = 29,804,484.60/x
  3. Step 3: Cross multiply
    87,310,337.40x = 130,965,506.10 × 29,804,484.60
  4. Step 4: Simplify right side
    87,310,337.40x = 3,903,359,409,688,656
  5. Step 5: Solve for x
    x = 3,903,359,409,688,656/87,310,337.40
  6. Step 6: Final answer
    x = 44,706,726.90

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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.