Home / 108,906,065.20-163,359,097.80-84,247,202.80

Finding the Fourth Proportional to 108,906,065.20, 163,359,097.80 and 84,247,202.80

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Solution

The fourth proportional to 108,906,065.20, 163,359,097.80 and 84,247,202.80 is: 126,370,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,906,065.20 : 163,359,097.80 = 84,247,202.80 : x
  2. Step 2: Convert to fraction form
    108,906,065.20/163,359,097.80 = 84,247,202.80/x
  3. Step 3: Cross multiply
    108,906,065.20x = 163,359,097.80 × 84,247,202.80
  4. Step 4: Simplify right side
    108,906,065.20x = 13,762,547,041,581,634
  5. Step 5: Solve for x
    x = 13,762,547,041,581,634/108,906,065.20
  6. Step 6: Final answer
    x = 126,370,804.20

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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.