Home / 112,327,220.40-168,490,830.60-98,442,394.80

Finding the Fourth Proportional to 112,327,220.40, 168,490,830.60 and 98,442,394.80

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Solution

The fourth proportional to 112,327,220.40, 168,490,830.60 and 98,442,394.80 is: 147,663,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327,220.40 : 168,490,830.60 = 98,442,394.80 : x
  2. Step 2: Convert to fraction form
    112,327,220.40/168,490,830.60 = 98,442,394.80/x
  3. Step 3: Cross multiply
    112,327,220.40x = 168,490,830.60 × 98,442,394.80
  4. Step 4: Simplify right side
    112,327,220.40x = 16,586,640,866,105,120
  5. Step 5: Solve for x
    x = 16,586,640,866,105,120/112,327,220.40
  6. Step 6: Final answer
    x = 147,663,592.20

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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.