Home / 113,428,930.60-170,348,682.30-99,320,156.20

Finding the Fourth Proportional to 113,428,930.60, 170,348,682.30 and 99,320,156.20

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Solution

The fourth proportional to 113,428,930.60, 170,348,682.30 and 99,320,156.20 is: 149,159,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,428,930.60 : 170,348,682.30 = 99,320,156.20 : x
  2. Step 2: Convert to fraction form
    113,428,930.60/170,348,682.30 = 99,320,156.20/x
  3. Step 3: Cross multiply
    113,428,930.60x = 170,348,682.30 × 99,320,156.20
  4. Step 4: Simplify right side
    113,428,930.60x = 16,919,057,734,500,176
  5. Step 5: Solve for x
    x = 16,919,057,734,500,176/113,428,930.60
  6. Step 6: Final answer
    x = 149,159,986.30

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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.