Home / 84,993,189.60-127,489,784.40-83,103,621.60

Finding the Fourth Proportional to 84,993,189.60, 127,489,784.40 and 83,103,621.60

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Solution

The fourth proportional to 84,993,189.60, 127,489,784.40 and 83,103,621.60 is: 124,655,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993,189.60 : 127,489,784.40 = 83,103,621.60 : x
  2. Step 2: Convert to fraction form
    84,993,189.60/127,489,784.40 = 83,103,621.60/x
  3. Step 3: Cross multiply
    84,993,189.60x = 127,489,784.40 × 83,103,621.60
  4. Step 4: Simplify right side
    84,993,189.60x = 10,594,862,800,643,182
  5. Step 5: Solve for x
    x = 10,594,862,800,643,182/84,993,189.60
  6. Step 6: Final answer
    x = 124,655,432.40

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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.