Home / 172,033,709.40-258,050,564.10-76,482,221.40

Finding the Fourth Proportional to 172,033,709.40, 258,050,564.10 and 76,482,221.40

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Solution

The fourth proportional to 172,033,709.40, 258,050,564.10 and 76,482,221.40 is: 114,723,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,033,709.40 : 258,050,564.10 = 76,482,221.40 : x
  2. Step 2: Convert to fraction form
    172,033,709.40/258,050,564.10 = 76,482,221.40/x
  3. Step 3: Cross multiply
    172,033,709.40x = 258,050,564.10 × 76,482,221.40
  4. Step 4: Simplify right side
    172,033,709.40x = 19,736,280,375,891,092
  5. Step 5: Solve for x
    x = 19,736,280,375,891,092/172,033,709.40
  6. Step 6: Final answer
    x = 114,723,332.10

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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.