Home / 172,431,000.10-258,646,500.15-153,724,276.90

Finding the Fourth Proportional to 172,431,000.10, 258,646,500.15 and 153,724,276.90

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Solution

The fourth proportional to 172,431,000.10, 258,646,500.15 and 153,724,276.90 is: 230,586,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,431,000.10 : 258,646,500.15 = 153,724,276.90 : x
  2. Step 2: Convert to fraction form
    172,431,000.10/258,646,500.15 = 153,724,276.90/x
  3. Step 3: Cross multiply
    172,431,000.10x = 258,646,500.15 × 153,724,276.90
  4. Step 4: Simplify right side
    172,431,000.10x = 39,760,246,208,274,496
  5. Step 5: Solve for x
    x = 39,760,246,208,274,496/172,431,000.10
  6. Step 6: Final answer
    x = 230,586,415.35

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1.5x scale

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.