Home / 90,222,168.19-124,506,684.20-48,969,069.07

Finding the Fourth Proportional to 90,222,168.19, 124,506,684.20 and 48,969,069.07

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Solution

The fourth proportional to 90,222,168.19, 124,506,684.20 and 48,969,069.07 is: 67,577,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222,168.19 : 124,506,684.20 = 48,969,069.07 : x
  2. Step 2: Convert to fraction form
    90,222,168.19/124,506,684.20 = 48,969,069.07/x
  3. Step 3: Cross multiply
    90,222,168.19x = 124,506,684.20 × 48,969,069.07
  4. Step 4: Simplify right side
    90,222,168.19x = 6,096,976,418,266,478
  5. Step 5: Solve for x
    x = 6,096,976,418,266,478/90,222,168.19
  6. Step 6: Final answer
    x = 67,577,365.30

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1.5x scale

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.