Home / 81,943,054.40-122,914,581.60-81,943,054.40

Finding the Fourth Proportional to 81,943,054.40, 122,914,581.60 and 81,943,054.40

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Solution

The fourth proportional to 81,943,054.40, 122,914,581.60 and 81,943,054.40 is: 122,914,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,943,054.40 : 122,914,581.60 = 81,943,054.40 : x
  2. Step 2: Convert to fraction form
    81,943,054.40/122,914,581.60 = 81,943,054.40/x
  3. Step 3: Cross multiply
    81,943,054.40x = 122,914,581.60 × 81,943,054.40
  4. Step 4: Simplify right side
    81,943,054.40x = 10,071,996,246,602,040
  5. Step 5: Solve for x
    x = 10,071,996,246,602,040/81,943,054.40
  6. Step 6: Final answer
    x = 122,914,581.60

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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.