Home / 198,826,641.90-298,101,308.40-88,102,090.53

Finding the Fourth Proportional to 198,826,641.90, 298,101,308.40 and 88,102,090.53

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Solution

The fourth proportional to 198,826,641.90, 298,101,308.40 and 88,102,090.53 is: 132,091,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,826,641.90 : 298,101,308.40 = 88,102,090.53 : x
  2. Step 2: Convert to fraction form
    198,826,641.90/298,101,308.40 = 88,102,090.53/x
  3. Step 3: Cross multiply
    198,826,641.90x = 298,101,308.40 × 88,102,090.53
  4. Step 4: Simplify right side
    198,826,641.90x = 26,263,348,459,768,248
  5. Step 5: Solve for x
    x = 26,263,348,459,768,248/198,826,641.90
  6. Step 6: Final answer
    x = 132,091,696.61

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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.