Home / 199,202,692.40-298,804,038.60-140,752,055.60

Finding the Fourth Proportional to 199,202,692.40, 298,804,038.60 and 140,752,055.60

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Solution

The fourth proportional to 199,202,692.40, 298,804,038.60 and 140,752,055.60 is: 211,128,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,202,692.40 : 298,804,038.60 = 140,752,055.60 : x
  2. Step 2: Convert to fraction form
    199,202,692.40/298,804,038.60 = 140,752,055.60/x
  3. Step 3: Cross multiply
    199,202,692.40x = 298,804,038.60 × 140,752,055.60
  4. Step 4: Simplify right side
    199,202,692.40x = 42,057,282,654,531,744
  5. Step 5: Solve for x
    x = 42,057,282,654,531,744/199,202,692.40
  6. Step 6: Final answer
    x = 211,128,083.40

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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.