Home / 48,512,019.60-72,768,029.40-47,555,425.80

Finding the Fourth Proportional to 48,512,019.60, 72,768,029.40 and 47,555,425.80

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Solution

The fourth proportional to 48,512,019.60, 72,768,029.40 and 47,555,425.80 is: 71,333,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,019.60 : 72,768,029.40 = 47,555,425.80 : x
  2. Step 2: Convert to fraction form
    48,512,019.60/72,768,029.40 = 47,555,425.80/x
  3. Step 3: Cross multiply
    48,512,019.60x = 72,768,029.40 × 47,555,425.80
  4. Step 4: Simplify right side
    48,512,019.60x = 3,460,514,622,743,918.50
  5. Step 5: Solve for x
    x = 3,460,514,622,743,918.50/48,512,019.60
  6. Step 6: Final answer
    x = 71,333,138.70

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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.