Home / 98,381,268.80-147,575,402.40-30,223,851.20

Finding the Fourth Proportional to 98,381,268.80, 147,575,402.40 and 30,223,851.20

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Solution

The fourth proportional to 98,381,268.80, 147,575,402.40 and 30,223,851.20 is: 45,336,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,381,268.80 : 147,575,402.40 = 30,223,851.20 : x
  2. Step 2: Convert to fraction form
    98,381,268.80/147,575,402.40 = 30,223,851.20/x
  3. Step 3: Cross multiply
    98,381,268.80x = 147,575,402.40 × 30,223,851.20
  4. Step 4: Simplify right side
    98,381,268.80x = 4,460,297,002,917,723
  5. Step 5: Solve for x
    x = 4,460,297,002,917,723/98,381,268.80
  6. Step 6: Final answer
    x = 45,336,851.79

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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.