Home / 243,151,576.56-335,549,247.84-131,642,395.20

Finding the Fourth Proportional to 243,151,576.56, 335,549,247.84 and 131,642,395.20

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Solution

The fourth proportional to 243,151,576.56, 335,549,247.84 and 131,642,395.20 is: 181,666,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,151,576.56 : 335,549,247.84 = 131,642,395.20 : x
  2. Step 2: Convert to fraction form
    243,151,576.56/335,549,247.84 = 131,642,395.20/x
  3. Step 3: Cross multiply
    243,151,576.56x = 335,549,247.84 × 131,642,395.20
  4. Step 4: Simplify right side
    243,151,576.56x = 44,172,506,693,216,024
  5. Step 5: Solve for x
    x = 44,172,506,693,216,024/243,151,576.56
  6. Step 6: Final answer
    x = 181,666,544.46

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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.