Home / 87,776,439.83-121,131,484.76-48,620,738.86

Finding the Fourth Proportional to 87,776,439.83, 121,131,484.76 and 48,620,738.86

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Solution

The fourth proportional to 87,776,439.83, 121,131,484.76 and 48,620,738.86 is: 67,096,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,776,439.83 : 121,131,484.76 = 48,620,738.86 : x
  2. Step 2: Convert to fraction form
    87,776,439.83/121,131,484.76 = 48,620,738.86/x
  3. Step 3: Cross multiply
    87,776,439.83x = 121,131,484.76 × 48,620,738.86
  4. Step 4: Simplify right side
    87,776,439.83x = 5,889,502,288,240,030
  5. Step 5: Solve for x
    x = 5,889,502,288,240,030/87,776,439.83
  6. Step 6: Final answer
    x = 67,096,618.41

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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.