Home / 119,711,817.72-165,204,146.70-70,140,328.02

Finding the Fourth Proportional to 119,711,817.72, 165,204,146.70 and 70,140,328.02

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Solution

The fourth proportional to 119,711,817.72, 165,204,146.70 and 70,140,328.02 is: 96,794,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,711,817.72 : 165,204,146.70 = 70,140,328.02 : x
  2. Step 2: Convert to fraction form
    119,711,817.72/165,204,146.70 = 70,140,328.02/x
  3. Step 3: Cross multiply
    119,711,817.72x = 165,204,146.70 × 70,140,328.02
  4. Step 4: Simplify right side
    119,711,817.72x = 11,587,473,039,802,200
  5. Step 5: Solve for x
    x = 11,587,473,039,802,200/119,711,817.72
  6. Step 6: Final answer
    x = 96,794,729.71

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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.