Home / 80,846,047.32-121,224,784.23-39,815,259.18

Finding the Fourth Proportional to 80,846,047.32, 121,224,784.23 and 39,815,259.18

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Solution

The fourth proportional to 80,846,047.32, 121,224,784.23 and 39,815,259.18 is: 59,701,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846,047.32 : 121,224,784.23 = 39,815,259.18 : x
  2. Step 2: Convert to fraction form
    80,846,047.32/121,224,784.23 = 39,815,259.18/x
  3. Step 3: Cross multiply
    80,846,047.32x = 121,224,784.23 × 39,815,259.18
  4. Step 4: Simplify right side
    80,846,047.32x = 4,826,596,203,157,027
  5. Step 5: Solve for x
    x = 4,826,596,203,157,027/80,846,047.32
  6. Step 6: Final answer
    x = 59,701,078.32

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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.