Home / 119,920,572.27-165,491,530.79-70,361,789.18

Finding the Fourth Proportional to 119,920,572.27, 165,491,530.79 and 70,361,789.18

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Solution

The fourth proportional to 119,920,572.27, 165,491,530.79 and 70,361,789.18 is: 97,099,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,920,572.27 : 165,491,530.79 = 70,361,789.18 : x
  2. Step 2: Convert to fraction form
    119,920,572.27/165,491,530.79 = 70,361,789.18/x
  3. Step 3: Cross multiply
    119,920,572.27x = 165,491,530.79 × 70,361,789.18
  4. Step 4: Simplify right side
    119,920,572.27x = 11,644,280,199,342,192
  5. Step 5: Solve for x
    x = 11,644,280,199,342,192/119,920,572.27
  6. Step 6: Final answer
    x = 97,099,938.56

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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.