Home / 81,654,295,005.40-122,481,442,508.10-67,707,157,401.40

Finding the Fourth Proportional to 81,654,295,005.40, 122,481,442,508.10 and 67,707,157,401.40

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Solution

The fourth proportional to 81,654,295,005.40, 122,481,442,508.10 and 67,707,157,401.40 is: 101,560,736,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,654,295,005.40 : 122,481,442,508.10 = 67,707,157,401.40 : x
  2. Step 2: Convert to fraction form
    81,654,295,005.40/122,481,442,508.10 = 67,707,157,401.40/x
  3. Step 3: Cross multiply
    81,654,295,005.40x = 122,481,442,508.10 × 67,707,157,401.40
  4. Step 4: Simplify right side
    81,654,295,005.40x = 8,292,870,306,646,452,076,544
  5. Step 5: Solve for x
    x = 8,292,870,306,646,452,076,544/81,654,295,005.40
  6. Step 6: Final answer
    x = 101,560,736,102.10

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1.5x scale

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.