Home / 175,407,443.52-263,020,507.20-76,998,873.60

Finding the Fourth Proportional to 175,407,443.52, 263,020,507.20 and 76,998,873.60

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Solution

The fourth proportional to 175,407,443.52, 263,020,507.20 and 76,998,873.60 is: 115,458,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,407,443.52 : 263,020,507.20 = 76,998,873.60 : x
  2. Step 2: Convert to fraction form
    175,407,443.52/263,020,507.20 = 76,998,873.60/x
  3. Step 3: Cross multiply
    175,407,443.52x = 263,020,507.20 × 76,998,873.60
  4. Step 4: Simplify right side
    175,407,443.52x = 20,252,282,788,100,688
  5. Step 5: Solve for x
    x = 20,252,282,788,100,688/175,407,443.52
  6. Step 6: Final answer
    x = 115,458,514.08

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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.