Home / 125,176,009.50-172,753,234.38-69,439,400.05

Finding the Fourth Proportional to 125,176,009.50, 172,753,234.38 and 69,439,400.05

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Solution

The fourth proportional to 125,176,009.50, 172,753,234.38 and 69,439,400.05 is: 95,832,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,176,009.50 : 172,753,234.38 = 69,439,400.05 : x
  2. Step 2: Convert to fraction form
    125,176,009.50/172,753,234.38 = 69,439,400.05/x
  3. Step 3: Cross multiply
    125,176,009.50x = 172,753,234.38 × 69,439,400.05
  4. Step 4: Simplify right side
    125,176,009.50x = 11,995,880,952,044,232
  5. Step 5: Solve for x
    x = 11,995,880,952,044,232/125,176,009.50
  6. Step 6: Final answer
    x = 95,832,108.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.