Home / 198,005,638.80-297,043,887.60-83,001,806.40

Finding the Fourth Proportional to 198,005,638.80, 297,043,887.60 and 83,001,806.40

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Solution

The fourth proportional to 198,005,638.80, 297,043,887.60 and 83,001,806.40 is: 124,517,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,005,638.80 : 297,043,887.60 = 83,001,806.40 : x
  2. Step 2: Convert to fraction form
    198,005,638.80/297,043,887.60 = 83,001,806.40/x
  3. Step 3: Cross multiply
    198,005,638.80x = 297,043,887.60 × 83,001,806.40
  4. Step 4: Simplify right side
    198,005,638.80x = 24,655,179,250,878,564
  5. Step 5: Solve for x
    x = 24,655,179,250,878,564/198,005,638.80
  6. Step 6: Final answer
    x = 124,517,561.22

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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.