Home / 103,674,421.45-155,511,632.18-62,992,612.90

Finding the Fourth Proportional to 103,674,421.45, 155,511,632.18 and 62,992,612.90

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Solution

The fourth proportional to 103,674,421.45, 155,511,632.18 and 62,992,612.90 is: 94,488,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674,421.45 : 155,511,632.18 = 62,992,612.90 : x
  2. Step 2: Convert to fraction form
    103,674,421.45/155,511,632.18 = 62,992,612.90/x
  3. Step 3: Cross multiply
    103,674,421.45x = 155,511,632.18 × 62,992,612.90
  4. Step 4: Simplify right side
    103,674,421.45x = 9,796,084,047,361,924
  5. Step 5: Solve for x
    x = 9,796,084,047,361,924/103,674,421.45
  6. Step 6: Final answer
    x = 94,488,919.35

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Similar ratio
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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.