Home / 83,289,323.60-124,933,985.40-49,193,118.80

Finding the Fourth Proportional to 83,289,323.60, 124,933,985.40 and 49,193,118.80

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Solution

The fourth proportional to 83,289,323.60, 124,933,985.40 and 49,193,118.80 is: 73,789,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,289,323.60 : 124,933,985.40 = 49,193,118.80 : x
  2. Step 2: Convert to fraction form
    83,289,323.60/124,933,985.40 = 49,193,118.80/x
  3. Step 3: Cross multiply
    83,289,323.60x = 124,933,985.40 × 49,193,118.80
  4. Step 4: Simplify right side
    83,289,323.60x = 6,145,892,385,939,665
  5. Step 5: Solve for x
    x = 6,145,892,385,939,665/83,289,323.60
  6. Step 6: Final answer
    x = 73,789,678.20

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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.