Home / 102,798,305.40-154,197,458.10-98,263,342.20

Finding the Fourth Proportional to 102,798,305.40, 154,197,458.10 and 98,263,342.20

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Solution

The fourth proportional to 102,798,305.40, 154,197,458.10 and 98,263,342.20 is: 147,395,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,798,305.40 : 154,197,458.10 = 98,263,342.20 : x
  2. Step 2: Convert to fraction form
    102,798,305.40/154,197,458.10 = 98,263,342.20/x
  3. Step 3: Cross multiply
    102,798,305.40x = 154,197,458.10 × 98,263,342.20
  4. Step 4: Simplify right side
    102,798,305.40x = 15,151,957,591,650,462
  5. Step 5: Solve for x
    x = 15,151,957,591,650,462/102,798,305.40
  6. Step 6: Final answer
    x = 147,395,013.30

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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.