Home / 81,974,776,952.80-122,962,165,429.20-26,082,914,406.40

Finding the Fourth Proportional to 81,974,776,952.80, 122,962,165,429.20 and 26,082,914,406.40

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Solution

The fourth proportional to 81,974,776,952.80, 122,962,165,429.20 and 26,082,914,406.40 is: 39,124,371,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,974,776,952.80 : 122,962,165,429.20 = 26,082,914,406.40 : x
  2. Step 2: Convert to fraction form
    81,974,776,952.80/122,962,165,429.20 = 26,082,914,406.40/x
  3. Step 3: Cross multiply
    81,974,776,952.80x = 122,962,165,429.20 × 26,082,914,406.40
  4. Step 4: Simplify right side
    81,974,776,952.80x = 3,207,211,636,115,420,741,632
  5. Step 5: Solve for x
    x = 3,207,211,636,115,420,741,632/81,974,776,952.80
  6. Step 6: Final answer
    x = 39,124,371,609.60

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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.