Home / 80,753,663.20-121,130,494.80-46,741,439.20

Finding the Fourth Proportional to 80,753,663.20, 121,130,494.80 and 46,741,439.20

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Solution

The fourth proportional to 80,753,663.20, 121,130,494.80 and 46,741,439.20 is: 70,112,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753,663.20 : 121,130,494.80 = 46,741,439.20 : x
  2. Step 2: Convert to fraction form
    80,753,663.20/121,130,494.80 = 46,741,439.20/x
  3. Step 3: Cross multiply
    80,753,663.20x = 121,130,494.80 × 46,741,439.20
  4. Step 4: Simplify right side
    80,753,663.20x = 5,661,813,657,960,116
  5. Step 5: Solve for x
    x = 5,661,813,657,960,116/80,753,663.20
  6. Step 6: Final answer
    x = 70,112,158.80

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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.