Home / 92,200,563.20-138,300,844.80-86,909,772.80

Finding the Fourth Proportional to 92,200,563.20, 138,300,844.80 and 86,909,772.80

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Solution

The fourth proportional to 92,200,563.20, 138,300,844.80 and 86,909,772.80 is: 130,364,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,200,563.20 : 138,300,844.80 = 86,909,772.80 : x
  2. Step 2: Convert to fraction form
    92,200,563.20/138,300,844.80 = 86,909,772.80/x
  3. Step 3: Cross multiply
    92,200,563.20x = 138,300,844.80 × 86,909,772.80
  4. Step 4: Simplify right side
    92,200,563.20x = 12,019,694,999,616,062
  5. Step 5: Solve for x
    x = 12,019,694,999,616,062/92,200,563.20
  6. Step 6: Final answer
    x = 130,364,659.20

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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.