Home / 81,943,065.40-122,914,598.10-81,943,065.40

Finding the Fourth Proportional to 81,943,065.40, 122,914,598.10 and 81,943,065.40

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Solution

The fourth proportional to 81,943,065.40, 122,914,598.10 and 81,943,065.40 is: 122,914,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,943,065.40 : 122,914,598.10 = 81,943,065.40 : x
  2. Step 2: Convert to fraction form
    81,943,065.40/122,914,598.10 = 81,943,065.40/x
  3. Step 3: Cross multiply
    81,943,065.40x = 122,914,598.10 × 81,943,065.40
  4. Step 4: Simplify right side
    81,943,065.40x = 10,071,998,950,723,016
  5. Step 5: Solve for x
    x = 10,071,998,950,723,016/81,943,065.40
  6. Step 6: Final answer
    x = 122,914,598.10

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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.