Home / 83,394,819.47-125,094,861.81-28,810,514.36

Finding the Fourth Proportional to 83,394,819.47, 125,094,861.81 and 28,810,514.36

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Solution

The fourth proportional to 83,394,819.47, 125,094,861.81 and 28,810,514.36 is: 43,216,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394,819.47 : 125,094,861.81 = 28,810,514.36 : x
  2. Step 2: Convert to fraction form
    83,394,819.47/125,094,861.81 = 28,810,514.36/x
  3. Step 3: Cross multiply
    83,394,819.47x = 125,094,861.81 × 28,810,514.36
  4. Step 4: Simplify right side
    83,394,819.47x = 3,604,047,312,851,958
  5. Step 5: Solve for x
    x = 3,604,047,312,851,958/83,394,819.47
  6. Step 6: Final answer
    x = 43,216,681.03

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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.