Home / 73,761,909.80-110,390,922.30-64,691,983.40

Finding the Fourth Proportional to 73,761,909.80, 110,390,922.30 and 64,691,983.40

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Solution

The fourth proportional to 73,761,909.80, 110,390,922.30 and 64,691,983.40 is: 96,817,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,761,909.80 : 110,390,922.30 = 64,691,983.40 : x
  2. Step 2: Convert to fraction form
    73,761,909.80/110,390,922.30 = 64,691,983.40/x
  3. Step 3: Cross multiply
    73,761,909.80x = 110,390,922.30 × 64,691,983.40
  4. Step 4: Simplify right side
    73,761,909.80x = 7,141,407,712,942,289
  5. Step 5: Solve for x
    x = 7,141,407,712,942,289/73,761,909.80
  6. Step 6: Final answer
    x = 96,817,012.09

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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.