Home / 191,023,065.20-286,595,169.96-68,198,749.04

Finding the Fourth Proportional to 191,023,065.20, 286,595,169.96 and 68,198,749.04

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Solution

The fourth proportional to 191,023,065.20, 286,595,169.96 and 68,198,749.04 is: 102,319,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,023,065.20 : 286,595,169.96 = 68,198,749.04 : x
  2. Step 2: Convert to fraction form
    191,023,065.20/286,595,169.96 = 68,198,749.04/x
  3. Step 3: Cross multiply
    191,023,065.20x = 286,595,169.96 × 68,198,749.04
  4. Step 4: Simplify right side
    191,023,065.20x = 19,545,432,072,178,188
  5. Step 5: Solve for x
    x = 19,545,432,072,178,188/191,023,065.20
  6. Step 6: Final answer
    x = 102,319,748.94

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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.