Home / 341,642,809.20-512,414,447.40-99,280,441.20

Finding the Fourth Proportional to 341,642,809.20, 512,414,447.40 and 99,280,441.20

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Solution

The fourth proportional to 341,642,809.20, 512,414,447.40 and 99,280,441.20 is: 148,906,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,642,809.20 : 512,414,447.40 = 99,280,441.20 : x
  2. Step 2: Convert to fraction form
    341,642,809.20/512,414,447.40 = 99,280,441.20/x
  3. Step 3: Cross multiply
    341,642,809.20x = 512,414,447.40 × 99,280,441.20
  4. Step 4: Simplify right side
    341,642,809.20x = 50,872,732,415,126,192
  5. Step 5: Solve for x
    x = 50,872,732,415,126,192/341,642,809.20
  6. Step 6: Final answer
    x = 148,906,199.82

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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.