Home / 87,838,342.52-121,216,916.14-48,686,004.86

Finding the Fourth Proportional to 87,838,342.52, 121,216,916.14 and 48,686,004.86

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Solution

The fourth proportional to 87,838,342.52, 121,216,916.14 and 48,686,004.86 is: 67,186,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838,342.52 : 121,216,916.14 = 48,686,004.86 : x
  2. Step 2: Convert to fraction form
    87,838,342.52/121,216,916.14 = 48,686,004.86/x
  3. Step 3: Cross multiply
    87,838,342.52x = 121,216,916.14 × 48,686,004.86
  4. Step 4: Simplify right side
    87,838,342.52x = 5,901,567,368,306,252
  5. Step 5: Solve for x
    x = 5,901,567,368,306,252/87,838,342.52
  6. Step 6: Final answer
    x = 67,186,688.63

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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.