Home / 302,131,275.20-453,196,912.80-97,805,988.80

Finding the Fourth Proportional to 302,131,275.20, 453,196,912.80 and 97,805,988.80

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Solution

The fourth proportional to 302,131,275.20, 453,196,912.80 and 97,805,988.80 is: 146,708,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,131,275.20 : 453,196,912.80 = 97,805,988.80 : x
  2. Step 2: Convert to fraction form
    302,131,275.20/453,196,912.80 = 97,805,988.80/x
  3. Step 3: Cross multiply
    302,131,275.20x = 453,196,912.80 × 97,805,988.80
  4. Step 4: Simplify right side
    302,131,275.20x = 44,325,372,177,511,376
  5. Step 5: Solve for x
    x = 44,325,372,177,511,376/302,131,275.20
  6. Step 6: Final answer
    x = 146,708,983.20

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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.