Home / 102,798,672.40-154,198,008.60-98,263,709.20

Finding the Fourth Proportional to 102,798,672.40, 154,198,008.60 and 98,263,709.20

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Solution

The fourth proportional to 102,798,672.40, 154,198,008.60 and 98,263,709.20 is: 147,395,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,798,672.40 : 154,198,008.60 = 98,263,709.20 : x
  2. Step 2: Convert to fraction form
    102,798,672.40/154,198,008.60 = 98,263,709.20/x
  3. Step 3: Cross multiply
    102,798,672.40x = 154,198,008.60 × 98,263,709.20
  4. Step 4: Simplify right side
    102,798,672.40x = 15,152,068,276,289,498
  5. Step 5: Solve for x
    x = 15,152,068,276,289,498/102,798,672.40
  6. Step 6: Final answer
    x = 147,395,563.80

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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.