Home / 113,872,806.40-170,809,209.60-108,298,969.60

Finding the Fourth Proportional to 113,872,806.40, 170,809,209.60 and 108,298,969.60

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Solution

The fourth proportional to 113,872,806.40, 170,809,209.60 and 108,298,969.60 is: 162,448,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,872,806.40 : 170,809,209.60 = 108,298,969.60 : x
  2. Step 2: Convert to fraction form
    113,872,806.40/170,809,209.60 = 108,298,969.60/x
  3. Step 3: Cross multiply
    113,872,806.40x = 170,809,209.60 × 108,298,969.60
  4. Step 4: Simplify right side
    113,872,806.40x = 18,498,461,397,870,428
  5. Step 5: Solve for x
    x = 18,498,461,397,870,428/113,872,806.40
  6. Step 6: Final answer
    x = 162,448,454.40

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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.