Home / 172,854,011.40-259,281,017.10-142,994,171.40

Finding the Fourth Proportional to 172,854,011.40, 259,281,017.10 and 142,994,171.40

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Solution

The fourth proportional to 172,854,011.40, 259,281,017.10 and 142,994,171.40 is: 214,491,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854,011.40 : 259,281,017.10 = 142,994,171.40 : x
  2. Step 2: Convert to fraction form
    172,854,011.40/259,281,017.10 = 142,994,171.40/x
  3. Step 3: Cross multiply
    172,854,011.40x = 259,281,017.10 × 142,994,171.40
  4. Step 4: Simplify right side
    172,854,011.40x = 37,075,674,199,963,728
  5. Step 5: Solve for x
    x = 37,075,674,199,963,728/172,854,011.40
  6. Step 6: Final answer
    x = 214,491,257.10

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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.