Home / 132,859,412.80-199,289,119.20-42,010,849.60

Finding the Fourth Proportional to 132,859,412.80, 199,289,119.20 and 42,010,849.60

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Solution

The fourth proportional to 132,859,412.80, 199,289,119.20 and 42,010,849.60 is: 63,016,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,412.80 : 199,289,119.20 = 42,010,849.60 : x
  2. Step 2: Convert to fraction form
    132,859,412.80/199,289,119.20 = 42,010,849.60/x
  3. Step 3: Cross multiply
    132,859,412.80x = 199,289,119.20 × 42,010,849.60
  4. Step 4: Simplify right side
    132,859,412.80x = 8,372,305,213,627,672
  5. Step 5: Solve for x
    x = 8,372,305,213,627,672/132,859,412.80
  6. Step 6: Final answer
    x = 63,016,274.40

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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.