Home / 120,031,745.82-180,047,620.89-29,154,722.46

Finding the Fourth Proportional to 120,031,745.82, 180,047,620.89 and 29,154,722.46

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Solution

The fourth proportional to 120,031,745.82, 180,047,620.89 and 29,154,722.46 is: 43,732,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,031,745.82 : 180,047,620.89 = 29,154,722.46 : x
  2. Step 2: Convert to fraction form
    120,031,745.82/180,047,620.89 = 29,154,722.46/x
  3. Step 3: Cross multiply
    120,031,745.82x = 180,047,620.89 × 29,154,722.46
  4. Step 4: Simplify right side
    120,031,745.82x = 5,249,238,416,631,248
  5. Step 5: Solve for x
    x = 5,249,238,416,631,248/120,031,745.82
  6. Step 6: Final answer
    x = 43,732,084.21

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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.