Home / 172,369,844.10-258,554,766.15-70,207,200.90

Finding the Fourth Proportional to 172,369,844.10, 258,554,766.15 and 70,207,200.90

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Solution

The fourth proportional to 172,369,844.10, 258,554,766.15 and 70,207,200.90 is: 105,310,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,369,844.10 : 258,554,766.15 = 70,207,200.90 : x
  2. Step 2: Convert to fraction form
    172,369,844.10/258,554,766.15 = 70,207,200.90/x
  3. Step 3: Cross multiply
    172,369,844.10x = 258,554,766.15 × 70,207,200.90
  4. Step 4: Simplify right side
    172,369,844.10x = 18,152,406,410,745,572
  5. Step 5: Solve for x
    x = 18,152,406,410,745,572/172,369,844.10
  6. Step 6: Final answer
    x = 105,310,801.35

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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.