Home / 98,961,005.40-148,441,508.10-83,655,504.60

Finding the Fourth Proportional to 98,961,005.40, 148,441,508.10 and 83,655,504.60

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Solution

The fourth proportional to 98,961,005.40, 148,441,508.10 and 83,655,504.60 is: 125,483,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,961,005.40 : 148,441,508.10 = 83,655,504.60 : x
  2. Step 2: Convert to fraction form
    98,961,005.40/148,441,508.10 = 83,655,504.60/x
  3. Step 3: Cross multiply
    98,961,005.40x = 148,441,508.10 × 83,655,504.60
  4. Step 4: Simplify right side
    98,961,005.40x = 12,417,949,263,690,486
  5. Step 5: Solve for x
    x = 12,417,949,263,690,486/98,961,005.40
  6. Step 6: Final answer
    x = 125,483,256.90

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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.