Home / 102,798,671.40-154,198,007.10-98,263,708.20

Finding the Fourth Proportional to 102,798,671.40, 154,198,007.10 and 98,263,708.20

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Solution

The fourth proportional to 102,798,671.40, 154,198,007.10 and 98,263,708.20 is: 147,395,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,798,671.40 : 154,198,007.10 = 98,263,708.20 : x
  2. Step 2: Convert to fraction form
    102,798,671.40/154,198,007.10 = 98,263,708.20/x
  3. Step 3: Cross multiply
    102,798,671.40x = 154,198,007.10 × 98,263,708.20
  4. Step 4: Simplify right side
    102,798,671.40x = 15,152,067,974,695,928
  5. Step 5: Solve for x
    x = 15,152,067,974,695,928/102,798,671.40
  6. Step 6: Final answer
    x = 147,395,562.30

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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.