Home / 102,798,672.90-154,198,009.35-98,263,709.70

Finding the Fourth Proportional to 102,798,672.90, 154,198,009.35 and 98,263,709.70

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Solution

The fourth proportional to 102,798,672.90, 154,198,009.35 and 98,263,709.70 is: 147,395,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,798,672.90 : 154,198,009.35 = 98,263,709.70 : x
  2. Step 2: Convert to fraction form
    102,798,672.90/154,198,009.35 = 98,263,709.70/x
  3. Step 3: Cross multiply
    102,798,672.90x = 154,198,009.35 × 98,263,709.70
  4. Step 4: Simplify right side
    102,798,672.90x = 15,152,068,427,086,286
  5. Step 5: Solve for x
    x = 15,152,068,427,086,286/102,798,672.90
  6. Step 6: Final answer
    x = 147,395,564.55

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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.