Home / 124,191,856.80-186,287,785.20-43,404,400.80

Finding the Fourth Proportional to 124,191,856.80, 186,287,785.20 and 43,404,400.80

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Solution

The fourth proportional to 124,191,856.80, 186,287,785.20 and 43,404,400.80 is: 65,106,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,191,856.80 : 186,287,785.20 = 43,404,400.80 : x
  2. Step 2: Convert to fraction form
    124,191,856.80/186,287,785.20 = 43,404,400.80/x
  3. Step 3: Cross multiply
    124,191,856.80x = 186,287,785.20 × 43,404,400.80
  4. Step 4: Simplify right side
    124,191,856.80x = 8,085,709,692,965,107
  5. Step 5: Solve for x
    x = 8,085,709,692,965,107/124,191,856.80
  6. Step 6: Final answer
    x = 65,106,601.20

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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.