Home / 188,878,943.80-260,650,292.91-105,250,599.19

Finding the Fourth Proportional to 188,878,943.80, 260,650,292.91 and 105,250,599.19

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Solution

The fourth proportional to 188,878,943.80, 260,650,292.91 and 105,250,599.19 is: 145,244,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,878,943.80 : 260,650,292.91 = 105,250,599.19 : x
  2. Step 2: Convert to fraction form
    188,878,943.80/260,650,292.91 = 105,250,599.19/x
  3. Step 3: Cross multiply
    188,878,943.80x = 260,650,292.91 × 105,250,599.19
  4. Step 4: Simplify right side
    188,878,943.80x = 27,433,599,507,826,508
  5. Step 5: Solve for x
    x = 27,433,599,507,826,508/188,878,943.80
  6. Step 6: Final answer
    x = 145,244,350.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.