Home / 89,438,290.80-134,141,871.40-28,854,016.88

Finding the Fourth Proportional to 89,438,290.80, 134,141,871.40 and 28,854,016.88

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Solution

The fourth proportional to 89,438,290.80, 134,141,871.40 and 28,854,016.88 is: 43,276,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,438,290.80 : 134,141,871.40 = 28,854,016.88 : x
  2. Step 2: Convert to fraction form
    89,438,290.80/134,141,871.40 = 28,854,016.88/x
  3. Step 3: Cross multiply
    89,438,290.80x = 134,141,871.40 × 28,854,016.88
  4. Step 4: Simplify right side
    89,438,290.80x = 3,870,531,821,690,389.50
  5. Step 5: Solve for x
    x = 3,870,531,821,690,389.50/89,438,290.80
  6. Step 6: Final answer
    x = 43,276,003.90

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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.