Home / 65,164,377,510.44-97,693,818,042.40-20,372,818,209.03

Finding the Fourth Proportional to 65,164,377,510.44, 97,693,818,042.40 and 20,372,818,209.03

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Solution

The fourth proportional to 65,164,377,510.44, 97,693,818,042.40 and 20,372,818,209.03 is: 30,542,736,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,377,510.44 : 97,693,818,042.40 = 20,372,818,209.03 : x
  2. Step 2: Convert to fraction form
    65,164,377,510.44/97,693,818,042.40 = 20,372,818,209.03/x
  3. Step 3: Cross multiply
    65,164,377,510.44x = 97,693,818,042.40 × 20,372,818,209.03
  4. Step 4: Simplify right side
    65,164,377,510.44x = 1,990,298,395,124,260,929,536
  5. Step 5: Solve for x
    x = 1,990,298,395,124,260,929,536/65,164,377,510.44
  6. Step 6: Final answer
    x = 30,542,736,248.89

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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.