Home / 80,570,031,535.60-111,186,989,189.20-43,948,944,950.25

Finding the Fourth Proportional to 80,570,031,535.60, 111,186,989,189.20 and 43,948,944,950.25

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Solution

The fourth proportional to 80,570,031,535.60, 111,186,989,189.20 and 43,948,944,950.25 is: 60,649,732,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,570,031,535.60 : 111,186,989,189.20 = 43,948,944,950.25 : x
  2. Step 2: Convert to fraction form
    80,570,031,535.60/111,186,989,189.20 = 43,948,944,950.25/x
  3. Step 3: Cross multiply
    80,570,031,535.60x = 111,186,989,189.20 × 43,948,944,950.25
  4. Step 4: Simplify right side
    80,570,031,535.60x = 4,886,550,867,059,636,436,992
  5. Step 5: Solve for x
    x = 4,886,550,867,059,636,436,992/80,570,031,535.60
  6. Step 6: Final answer
    x = 60,649,732,585.75

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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.