Home / 87,216,467.89-120,353,301.74-48,056,053.18

Finding the Fourth Proportional to 87,216,467.89, 120,353,301.74 and 48,056,053.18

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Solution

The fourth proportional to 87,216,467.89, 120,353,301.74 and 48,056,053.18 is: 66,314,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,467.89 : 120,353,301.74 = 48,056,053.18 : x
  2. Step 2: Convert to fraction form
    87,216,467.89/120,353,301.74 = 48,056,053.18/x
  3. Step 3: Cross multiply
    87,216,467.89x = 120,353,301.74 × 48,056,053.18
  4. Step 4: Simplify right side
    87,216,467.89x = 5,783,704,668,625,284
  5. Step 5: Solve for x
    x = 5,783,704,668,625,284/87,216,467.89
  6. Step 6: Final answer
    x = 66,314,364.81

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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.