Home / 87,793,944.34-121,146,813.55-48,628,403.40

Finding the Fourth Proportional to 87,793,944.34, 121,146,813.55 and 48,628,403.40

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Solution

The fourth proportional to 87,793,944.34, 121,146,813.55 and 48,628,403.40 is: 67,102,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,793,944.34 : 121,146,813.55 = 48,628,403.40 : x
  2. Step 2: Convert to fraction form
    87,793,944.34/121,146,813.55 = 48,628,403.40/x
  3. Step 3: Cross multiply
    87,793,944.34x = 121,146,813.55 × 48,628,403.40
  4. Step 4: Simplify right side
    87,793,944.34x = 5,891,176,119,933,986
  5. Step 5: Solve for x
    x = 5,891,176,119,933,986/87,793,944.34
  6. Step 6: Final answer
    x = 67,102,306.02

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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.