Home / 86,538,003.40-129,807,005.10-25,953,729.40

Finding the Fourth Proportional to 86,538,003.40, 129,807,005.10 and 25,953,729.40

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Solution

The fourth proportional to 86,538,003.40, 129,807,005.10 and 25,953,729.40 is: 38,930,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538,003.40 : 129,807,005.10 = 25,953,729.40 : x
  2. Step 2: Convert to fraction form
    86,538,003.40/129,807,005.10 = 25,953,729.40/x
  3. Step 3: Cross multiply
    86,538,003.40x = 129,807,005.10 × 25,953,729.40
  4. Step 4: Simplify right side
    86,538,003.40x = 3,368,975,884,589,819.50
  5. Step 5: Solve for x
    x = 3,368,975,884,589,819.50/86,538,003.40
  6. Step 6: Final answer
    x = 38,930,594.10

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Similar ratio
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1.5x scale

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.