Home / 87,838,341.52-121,216,914.76-48,686,003.86

Finding the Fourth Proportional to 87,838,341.52, 121,216,914.76 and 48,686,003.86

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Solution

The fourth proportional to 87,838,341.52, 121,216,914.76 and 48,686,003.86 is: 67,186,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838,341.52 : 121,216,914.76 = 48,686,003.86 : x
  2. Step 2: Convert to fraction form
    87,838,341.52/121,216,914.76 = 48,686,003.86/x
  3. Step 3: Cross multiply
    87,838,341.52x = 121,216,914.76 × 48,686,003.86
  4. Step 4: Simplify right side
    87,838,341.52x = 5,901,567,179,296,566
  5. Step 5: Solve for x
    x = 5,901,567,179,296,566/87,838,341.52
  6. Step 6: Final answer
    x = 67,186,687.24

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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.