Home / 88,640,707.80-121,437,203.25-85,325,958

Finding the Fourth Proportional to 88,640,707.80, 121,437,203.25 and 85,325,958

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Solution

The fourth proportional to 88,640,707.80, 121,437,203.25 and 85,325,958 is: 116,896,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640,707.80 : 121,437,203.25 = 85,325,958 : x
  2. Step 2: Convert to fraction form
    88,640,707.80/121,437,203.25 = 85,325,958/x
  3. Step 3: Cross multiply
    88,640,707.80x = 121,437,203.25 × 85,325,958
  4. Step 4: Simplify right side
    88,640,707.80x = 10,361,745,704,146,964
  5. Step 5: Solve for x
    x = 10,361,745,704,146,964/88,640,707.80
  6. Step 6: Final answer
    x = 116,896,017.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.