Home / 199,202,675.40-298,804,013.10-140,752,038.60

Finding the Fourth Proportional to 199,202,675.40, 298,804,013.10 and 140,752,038.60

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Solution

The fourth proportional to 199,202,675.40, 298,804,013.10 and 140,752,038.60 is: 211,128,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,202,675.40 : 298,804,013.10 = 140,752,038.60 : x
  2. Step 2: Convert to fraction form
    199,202,675.40/298,804,013.10 = 140,752,038.60/x
  3. Step 3: Cross multiply
    199,202,675.40x = 298,804,013.10 × 140,752,038.60
  4. Step 4: Simplify right side
    199,202,675.40x = 42,057,273,985,686,104
  5. Step 5: Solve for x
    x = 42,057,273,985,686,104/199,202,675.40
  6. Step 6: Final answer
    x = 211,128,057.90

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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.