Home / 100,208,049.20-150,312,073.80-61,944,297.20

Finding the Fourth Proportional to 100,208,049.20, 150,312,073.80 and 61,944,297.20

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Solution

The fourth proportional to 100,208,049.20, 150,312,073.80 and 61,944,297.20 is: 92,916,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,208,049.20 : 150,312,073.80 = 61,944,297.20 : x
  2. Step 2: Convert to fraction form
    100,208,049.20/150,312,073.80 = 61,944,297.20/x
  3. Step 3: Cross multiply
    100,208,049.20x = 150,312,073.80 × 61,944,297.20
  4. Step 4: Simplify right side
    100,208,049.20x = 9,310,975,772,215,534
  5. Step 5: Solve for x
    x = 9,310,975,772,215,534/100,208,049.20
  6. Step 6: Final answer
    x = 92,916,445.80

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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.