Home / 291,523,106.46-437,285,489.34-84,278,388.30

Finding the Fourth Proportional to 291,523,106.46, 437,285,489.34 and 84,278,388.30

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Solution

The fourth proportional to 291,523,106.46, 437,285,489.34 and 84,278,388.30 is: 126,417,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,523,106.46 : 437,285,489.34 = 84,278,388.30 : x
  2. Step 2: Convert to fraction form
    291,523,106.46/437,285,489.34 = 84,278,388.30/x
  3. Step 3: Cross multiply
    291,523,106.46x = 437,285,489.34 × 84,278,388.30
  4. Step 4: Simplify right side
    291,523,106.46x = 36,853,716,268,552,024
  5. Step 5: Solve for x
    x = 36,853,716,268,552,024/291,523,106.46
  6. Step 6: Final answer
    x = 126,417,822.30

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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.