Home / 221,184,000.10-331,776,000.15-77,591,347.30

Finding the Fourth Proportional to 221,184,000.10, 331,776,000.15 and 77,591,347.30

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Solution

The fourth proportional to 221,184,000.10, 331,776,000.15 and 77,591,347.30 is: 116,387,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,000.10 : 331,776,000.15 = 77,591,347.30 : x
  2. Step 2: Convert to fraction form
    221,184,000.10/331,776,000.15 = 77,591,347.30/x
  3. Step 3: Cross multiply
    221,184,000.10x = 331,776,000.15 × 77,591,347.30
  4. Step 4: Simplify right side
    221,184,000.10x = 25,742,946,853,443,500
  5. Step 5: Solve for x
    x = 25,742,946,853,443,500/221,184,000.10
  6. Step 6: Final answer
    x = 116,387,020.95

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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.