Home / 87,955,953.28-121,393,784.64-48,810,303.52

Finding the Fourth Proportional to 87,955,953.28, 121,393,784.64 and 48,810,303.52

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Solution

The fourth proportional to 87,955,953.28, 121,393,784.64 and 48,810,303.52 is: 67,366,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,955,953.28 : 121,393,784.64 = 48,810,303.52 : x
  2. Step 2: Convert to fraction form
    87,955,953.28/121,393,784.64 = 48,810,303.52/x
  3. Step 3: Cross multiply
    87,955,953.28x = 121,393,784.64 × 48,810,303.52
  4. Step 4: Simplify right side
    87,955,953.28x = 5,925,267,473,719,914
  5. Step 5: Solve for x
    x = 5,925,267,473,719,914/87,955,953.28
  6. Step 6: Final answer
    x = 67,366,303.85

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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.