Home / 124,442,555.40-186,663,833.10-86,147,310.60

Finding the Fourth Proportional to 124,442,555.40, 186,663,833.10 and 86,147,310.60

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Solution

The fourth proportional to 124,442,555.40, 186,663,833.10 and 86,147,310.60 is: 129,220,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442,555.40 : 186,663,833.10 = 86,147,310.60 : x
  2. Step 2: Convert to fraction form
    124,442,555.40/186,663,833.10 = 86,147,310.60/x
  3. Step 3: Cross multiply
    124,442,555.40x = 186,663,833.10 × 86,147,310.60
  4. Step 4: Simplify right side
    124,442,555.40x = 16,080,587,207,852,260
  5. Step 5: Solve for x
    x = 16,080,587,207,852,260/124,442,555.40
  6. Step 6: Final answer
    x = 129,220,965.90

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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.