Home / 243,151,604.56-335,549,286.60-131,642,423.20

Finding the Fourth Proportional to 243,151,604.56, 335,549,286.60 and 131,642,423.20

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Solution

The fourth proportional to 243,151,604.56, 335,549,286.60 and 131,642,423.20 is: 181,666,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,151,604.56 : 335,549,286.60 = 131,642,423.20 : x
  2. Step 2: Convert to fraction form
    243,151,604.56/335,549,286.60 = 131,642,423.20/x
  3. Step 3: Cross multiply
    243,151,604.56x = 335,549,286.60 × 131,642,423.20
  4. Step 4: Simplify right side
    243,151,604.56x = 44,172,521,191,055,296
  5. Step 5: Solve for x
    x = 44,172,521,191,055,296/243,151,604.56
  6. Step 6: Final answer
    x = 181,666,583.16

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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.