Home / 199,474,833.60-275,254,290.72-115,826,613.12

Finding the Fourth Proportional to 199,474,833.60, 275,254,290.72 and 115,826,613.12

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Solution

The fourth proportional to 199,474,833.60, 275,254,290.72 and 115,826,613.12 is: 159,828,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,474,833.60 : 275,254,290.72 = 115,826,613.12 : x
  2. Step 2: Convert to fraction form
    199,474,833.60/275,254,290.72 = 115,826,613.12/x
  3. Step 3: Cross multiply
    199,474,833.60x = 275,254,290.72 × 115,826,613.12
  4. Step 4: Simplify right side
    199,474,833.60x = 31,881,772,240,845,452
  5. Step 5: Solve for x
    x = 31,881,772,240,845,452/199,474,833.60
  6. Step 6: Final answer
    x = 159,828,544.11

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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.