Home / 80,925,090.40-121,345,645.20-29,780,783.20

Finding the Fourth Proportional to 80,925,090.40, 121,345,645.20 and 29,780,783.20

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Solution

The fourth proportional to 80,925,090.40, 121,345,645.20 and 29,780,783.20 is: 44,655,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925,090.40 : 121,345,645.20 = 29,780,783.20 : x
  2. Step 2: Convert to fraction form
    80,925,090.40/121,345,645.20 = 29,780,783.20/x
  3. Step 3: Cross multiply
    80,925,090.40x = 121,345,645.20 × 29,780,783.20
  4. Step 4: Simplify right side
    80,925,090.40x = 3,613,768,351,965,320.50
  5. Step 5: Solve for x
    x = 3,613,768,351,965,320.50/80,925,090.40
  6. Step 6: Final answer
    x = 44,655,722.15

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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.