Home / 119,711,818.72-165,204,148.08-70,140,329.02

Finding the Fourth Proportional to 119,711,818.72, 165,204,148.08 and 70,140,329.02

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Solution

The fourth proportional to 119,711,818.72, 165,204,148.08 and 70,140,329.02 is: 96,794,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,711,818.72 : 165,204,148.08 = 70,140,329.02 : x
  2. Step 2: Convert to fraction form
    119,711,818.72/165,204,148.08 = 70,140,329.02/x
  3. Step 3: Cross multiply
    119,711,818.72x = 165,204,148.08 × 70,140,329.02
  4. Step 4: Simplify right side
    119,711,818.72x = 11,587,473,301,800,002
  5. Step 5: Solve for x
    x = 11,587,473,301,800,002/119,711,818.72
  6. Step 6: Final answer
    x = 96,794,731.09

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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.