Home / 127,920,666.84-176,530,520.28-69,183,331.56

Finding the Fourth Proportional to 127,920,666.84, 176,530,520.28 and 69,183,331.56

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Solution

The fourth proportional to 127,920,666.84, 176,530,520.28 and 69,183,331.56 is: 95,472,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920,666.84 : 176,530,520.28 = 69,183,331.56 : x
  2. Step 2: Convert to fraction form
    127,920,666.84/176,530,520.28 = 69,183,331.56/x
  3. Step 3: Cross multiply
    127,920,666.84x = 176,530,520.28 × 69,183,331.56
  4. Step 4: Simplify right side
    127,920,666.84x = 12,212,969,514,990,544
  5. Step 5: Solve for x
    x = 12,212,969,514,990,544/127,920,666.84
  6. Step 6: Final answer
    x = 95,472,997.57

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1.5x scale

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.