Home / 86,203,055.20-129,304,582.80-60,375,022.60

Finding the Fourth Proportional to 86,203,055.20, 129,304,582.80 and 60,375,022.60

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Solution

The fourth proportional to 86,203,055.20, 129,304,582.80 and 60,375,022.60 is: 90,562,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203,055.20 : 129,304,582.80 = 60,375,022.60 : x
  2. Step 2: Convert to fraction form
    86,203,055.20/129,304,582.80 = 60,375,022.60/x
  3. Step 3: Cross multiply
    86,203,055.20x = 129,304,582.80 × 60,375,022.60
  4. Step 4: Simplify right side
    86,203,055.20x = 7,806,767,108,833,571
  5. Step 5: Solve for x
    x = 7,806,767,108,833,571/86,203,055.20
  6. Step 6: Final answer
    x = 90,562,533.90

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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.