Home / 199,290,451.55-275,020,417.13-111,179,194.50

Finding the Fourth Proportional to 199,290,451.55, 275,020,417.13 and 111,179,194.50

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Solution

The fourth proportional to 199,290,451.55, 275,020,417.13 and 111,179,194.50 is: 153,427,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,451.55 : 275,020,417.13 = 111,179,194.50 : x
  2. Step 2: Convert to fraction form
    199,290,451.55/275,020,417.13 = 111,179,194.50/x
  3. Step 3: Cross multiply
    199,290,451.55x = 275,020,417.13 × 111,179,194.50
  4. Step 4: Simplify right side
    199,290,451.55x = 30,576,548,446,964,168
  5. Step 5: Solve for x
    x = 30,576,548,446,964,168/199,290,451.55
  6. Step 6: Final answer
    x = 153,427,061.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.