Home / 80,011,840.85-110,434,103.36-48,643,224.40

Finding the Fourth Proportional to 80,011,840.85, 110,434,103.36 and 48,643,224.40

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Solution

The fourth proportional to 80,011,840.85, 110,434,103.36 and 48,643,224.40 is: 67,138,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,011,840.85 : 110,434,103.36 = 48,643,224.40 : x
  2. Step 2: Convert to fraction form
    80,011,840.85/110,434,103.36 = 48,643,224.40/x
  3. Step 3: Cross multiply
    80,011,840.85x = 110,434,103.36 × 48,643,224.40
  4. Step 4: Simplify right side
    80,011,840.85x = 5,371,870,871,230,512
  5. Step 5: Solve for x
    x = 5,371,870,871,230,512/80,011,840.85
  6. Step 6: Final answer
    x = 67,138,448.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.