Home / 89,805,326.60-134,707,989.90-70,434,302.15

Finding the Fourth Proportional to 89,805,326.60, 134,707,989.90 and 70,434,302.15

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Solution

The fourth proportional to 89,805,326.60, 134,707,989.90 and 70,434,302.15 is: 105,651,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,805,326.60 : 134,707,989.90 = 70,434,302.15 : x
  2. Step 2: Convert to fraction form
    89,805,326.60/134,707,989.90 = 70,434,302.15/x
  3. Step 3: Cross multiply
    89,805,326.60x = 134,707,989.90 × 70,434,302.15
  4. Step 4: Simplify right side
    89,805,326.60x = 9,488,063,262,635,750
  5. Step 5: Solve for x
    x = 9,488,063,262,635,750/89,805,326.60
  6. Step 6: Final answer
    x = 105,651,453.23

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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.