Home / 199,290,428.10-298,935,642.15-181,115,145.90

Finding the Fourth Proportional to 199,290,428.10, 298,935,642.15 and 181,115,145.90

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Solution

The fourth proportional to 199,290,428.10, 298,935,642.15 and 181,115,145.90 is: 271,672,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,428.10 : 298,935,642.15 = 181,115,145.90 : x
  2. Step 2: Convert to fraction form
    199,290,428.10/298,935,642.15 = 181,115,145.90/x
  3. Step 3: Cross multiply
    199,290,428.10x = 298,935,642.15 × 181,115,145.90
  4. Step 4: Simplify right side
    199,290,428.10x = 54,141,772,442,707,440
  5. Step 5: Solve for x
    x = 54,141,772,442,707,440/199,290,428.10
  6. Step 6: Final answer
    x = 271,672,718.85

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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.