Home / 325,341,348.86-487,671,451.55-136,155,865.20

Finding the Fourth Proportional to 325,341,348.86, 487,671,451.55 and 136,155,865.20

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Solution

The fourth proportional to 325,341,348.86, 487,671,451.55 and 136,155,865.20 is: 204,091,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,341,348.86 : 487,671,451.55 = 136,155,865.20 : x
  2. Step 2: Convert to fraction form
    325,341,348.86/487,671,451.55 = 136,155,865.20/x
  3. Step 3: Cross multiply
    325,341,348.86x = 487,671,451.55 × 136,155,865.20
  4. Step 4: Simplify right side
    325,341,348.86x = 66,399,328,418,449,352
  5. Step 5: Solve for x
    x = 66,399,328,418,449,352/325,341,348.86
  6. Step 6: Final answer
    x = 204,091,267.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.