Home / 213,617,445.30-320,426,167.95-132,995,877.30

Finding the Fourth Proportional to 213,617,445.30, 320,426,167.95 and 132,995,877.30

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Solution

The fourth proportional to 213,617,445.30, 320,426,167.95 and 132,995,877.30 is: 199,493,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,617,445.30 : 320,426,167.95 = 132,995,877.30 : x
  2. Step 2: Convert to fraction form
    213,617,445.30/320,426,167.95 = 132,995,877.30/x
  3. Step 3: Cross multiply
    213,617,445.30x = 320,426,167.95 × 132,995,877.30
  4. Step 4: Simplify right side
    213,617,445.30x = 42,615,359,316,387,392
  5. Step 5: Solve for x
    x = 42,615,359,316,387,392/213,617,445.30
  6. Step 6: Final answer
    x = 199,493,815.95

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1.5x scale

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.