Home / 85,536,221.80-128,247,654.30-47,216,093.80

Finding the Fourth Proportional to 85,536,221.80, 128,247,654.30 and 47,216,093.80

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Solution

The fourth proportional to 85,536,221.80, 128,247,654.30 and 47,216,093.80 is: 70,792,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,221.80 : 128,247,654.30 = 47,216,093.80 : x
  2. Step 2: Convert to fraction form
    85,536,221.80/128,247,654.30 = 47,216,093.80/x
  3. Step 3: Cross multiply
    85,536,221.80x = 128,247,654.30 × 47,216,093.80
  4. Step 4: Simplify right side
    85,536,221.80x = 6,055,353,275,058,773
  5. Step 5: Solve for x
    x = 6,055,353,275,058,773/85,536,221.80
  6. Step 6: Final answer
    x = 70,792,854.16

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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.