Home / 154,770,948.55-232,301,873.06-81,047,642.68

Finding the Fourth Proportional to 154,770,948.55, 232,301,873.06 and 81,047,642.68

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Solution

The fourth proportional to 154,770,948.55, 232,301,873.06 and 81,047,642.68 is: 121,647,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,770,948.55 : 232,301,873.06 = 81,047,642.68 : x
  2. Step 2: Convert to fraction form
    154,770,948.55/232,301,873.06 = 81,047,642.68/x
  3. Step 3: Cross multiply
    154,770,948.55x = 232,301,873.06 × 81,047,642.68
  4. Step 4: Simplify right side
    154,770,948.55x = 18,827,519,201,850,668
  5. Step 5: Solve for x
    x = 18,827,519,201,850,668/154,770,948.55
  6. Step 6: Final answer
    x = 121,647,630.76

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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.