Home / 103,065,309.20-154,597,963.80-98,026,461.20

Finding the Fourth Proportional to 103,065,309.20, 154,597,963.80 and 98,026,461.20

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Solution

The fourth proportional to 103,065,309.20, 154,597,963.80 and 98,026,461.20 is: 147,039,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,065,309.20 : 154,597,963.80 = 98,026,461.20 : x
  2. Step 2: Convert to fraction form
    103,065,309.20/154,597,963.80 = 98,026,461.20/x
  3. Step 3: Cross multiply
    103,065,309.20x = 154,597,963.80 × 98,026,461.20
  4. Step 4: Simplify right side
    103,065,309.20x = 15,154,691,300,039,706
  5. Step 5: Solve for x
    x = 15,154,691,300,039,706/103,065,309.20
  6. Step 6: Final answer
    x = 147,039,691.80

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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.