Home / 119,656,785.96-165,139,059.68-70,138,766.40

Finding the Fourth Proportional to 119,656,785.96, 165,139,059.68 and 70,138,766.40

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Solution

The fourth proportional to 119,656,785.96, 165,139,059.68 and 70,138,766.40 is: 96,798,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,656,785.96 : 165,139,059.68 = 70,138,766.40 : x
  2. Step 2: Convert to fraction form
    119,656,785.96/165,139,059.68 = 70,138,766.40/x
  3. Step 3: Cross multiply
    119,656,785.96x = 165,139,059.68 × 70,138,766.40
  4. Step 4: Simplify right side
    119,656,785.96x = 11,582,649,930,411,180
  5. Step 5: Solve for x
    x = 11,582,649,930,411,180/119,656,785.96
  6. Step 6: Final answer
    x = 96,798,939.04

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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.