Home / 278,016,090.30-417,024,135.45-176,231,360.70

Finding the Fourth Proportional to 278,016,090.30, 417,024,135.45 and 176,231,360.70

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Solution

The fourth proportional to 278,016,090.30, 417,024,135.45 and 176,231,360.70 is: 264,347,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,016,090.30 : 417,024,135.45 = 176,231,360.70 : x
  2. Step 2: Convert to fraction form
    278,016,090.30/417,024,135.45 = 176,231,360.70/x
  3. Step 3: Cross multiply
    278,016,090.30x = 417,024,135.45 × 176,231,360.70
  4. Step 4: Simplify right side
    278,016,090.30x = 73,492,730,835,094,592
  5. Step 5: Solve for x
    x = 73,492,730,835,094,592/278,016,090.30
  6. Step 6: Final answer
    x = 264,347,041.05

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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.