Home / 120,031,772.32-180,047,660.64-29,154,748.96

Finding the Fourth Proportional to 120,031,772.32, 180,047,660.64 and 29,154,748.96

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Solution

The fourth proportional to 120,031,772.32, 180,047,660.64 and 29,154,748.96 is: 43,732,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,031,772.32 : 180,047,660.64 = 29,154,748.96 : x
  2. Step 2: Convert to fraction form
    120,031,772.32/180,047,660.64 = 29,154,748.96/x
  3. Step 3: Cross multiply
    120,031,772.32x = 180,047,660.64 × 29,154,748.96
  4. Step 4: Simplify right side
    120,031,772.32x = 5,249,244,346,794,473
  5. Step 5: Solve for x
    x = 5,249,244,346,794,473/120,031,772.32
  6. Step 6: Final answer
    x = 43,732,123.96

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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.