Home / 268,779,616.80-403,169,425.20-132,730,720.80

Finding the Fourth Proportional to 268,779,616.80, 403,169,425.20 and 132,730,720.80

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Solution

The fourth proportional to 268,779,616.80, 403,169,425.20 and 132,730,720.80 is: 199,096,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,616.80 : 403,169,425.20 = 132,730,720.80 : x
  2. Step 2: Convert to fraction form
    268,779,616.80/403,169,425.20 = 132,730,720.80/x
  3. Step 3: Cross multiply
    268,779,616.80x = 403,169,425.20 × 132,730,720.80
  4. Step 4: Simplify right side
    268,779,616.80x = 53,512,968,411,317,680
  5. Step 5: Solve for x
    x = 53,512,968,411,317,680/268,779,616.80
  6. Step 6: Final answer
    x = 199,096,081.20

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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.