Home / 83,075,268.30-124,612,902.45-28,480,531.20

Finding the Fourth Proportional to 83,075,268.30, 124,612,902.45 and 28,480,531.20

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Solution

The fourth proportional to 83,075,268.30, 124,612,902.45 and 28,480,531.20 is: 42,720,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,075,268.30 : 124,612,902.45 = 28,480,531.20 : x
  2. Step 2: Convert to fraction form
    83,075,268.30/124,612,902.45 = 28,480,531.20/x
  3. Step 3: Cross multiply
    83,075,268.30x = 124,612,902.45 × 28,480,531.20
  4. Step 4: Simplify right side
    83,075,268.30x = 3,549,041,656,149,781.50
  5. Step 5: Solve for x
    x = 3,549,041,656,149,781.50/83,075,268.30
  6. Step 6: Final answer
    x = 42,720,796.80

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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.