Home / 172,854,008.90-259,281,013.35-142,994,168.90

Finding the Fourth Proportional to 172,854,008.90, 259,281,013.35 and 142,994,168.90

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Solution

The fourth proportional to 172,854,008.90, 259,281,013.35 and 142,994,168.90 is: 214,491,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854,008.90 : 259,281,013.35 = 142,994,168.90 : x
  2. Step 2: Convert to fraction form
    172,854,008.90/259,281,013.35 = 142,994,168.90/x
  3. Step 3: Cross multiply
    172,854,008.90x = 259,281,013.35 × 142,994,168.90
  4. Step 4: Simplify right side
    172,854,008.90x = 37,075,673,015,533,056
  5. Step 5: Solve for x
    x = 37,075,673,015,533,056/172,854,008.90
  6. Step 6: Final answer
    x = 214,491,253.35

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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.