Home / 81,980,319,713.10-122,970,479,569.65-48,893,228,205.90

Finding the Fourth Proportional to 81,980,319,713.10, 122,970,479,569.65 and 48,893,228,205.90

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Solution

The fourth proportional to 81,980,319,713.10, 122,970,479,569.65 and 48,893,228,205.90 is: 73,339,842,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,980,319,713.10 : 122,970,479,569.65 = 48,893,228,205.90 : x
  2. Step 2: Convert to fraction form
    81,980,319,713.10/122,970,479,569.65 = 48,893,228,205.90/x
  3. Step 3: Cross multiply
    81,980,319,713.10x = 122,970,479,569.65 × 48,893,228,205.90
  4. Step 4: Simplify right side
    81,980,319,713.10x = 6,012,423,720,187,861,139,456
  5. Step 5: Solve for x
    x = 6,012,423,720,187,861,139,456/81,980,319,713.10
  6. Step 6: Final answer
    x = 73,339,842,308.85

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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.