Home / 172,854,007.90-259,281,011.85-142,994,167.90

Finding the Fourth Proportional to 172,854,007.90, 259,281,011.85 and 142,994,167.90

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Solution

The fourth proportional to 172,854,007.90, 259,281,011.85 and 142,994,167.90 is: 214,491,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854,007.90 : 259,281,011.85 = 142,994,167.90 : x
  2. Step 2: Convert to fraction form
    172,854,007.90/259,281,011.85 = 142,994,167.90/x
  3. Step 3: Cross multiply
    172,854,007.90x = 259,281,011.85 × 142,994,167.90
  4. Step 4: Simplify right side
    172,854,007.90x = 37,075,672,541,760,792
  5. Step 5: Solve for x
    x = 37,075,672,541,760,792/172,854,007.90
  6. Step 6: Final answer
    x = 214,491,251.85

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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.