Home / 114,912,822.80-172,369,234.20-38,238,352.40

Finding the Fourth Proportional to 114,912,822.80, 172,369,234.20 and 38,238,352.40

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Solution

The fourth proportional to 114,912,822.80, 172,369,234.20 and 38,238,352.40 is: 57,357,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,912,822.80 : 172,369,234.20 = 38,238,352.40 : x
  2. Step 2: Convert to fraction form
    114,912,822.80/172,369,234.20 = 38,238,352.40/x
  3. Step 3: Cross multiply
    114,912,822.80x = 172,369,234.20 × 38,238,352.40
  4. Step 4: Simplify right side
    114,912,822.80x = 6,591,115,520,257,731
  5. Step 5: Solve for x
    x = 6,591,115,520,257,731/114,912,822.80
  6. Step 6: Final answer
    x = 57,357,528.60

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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.