Home / 118,108,986.80-177,163,480.20-66,240,345.20

Finding the Fourth Proportional to 118,108,986.80, 177,163,480.20 and 66,240,345.20

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Solution

The fourth proportional to 118,108,986.80, 177,163,480.20 and 66,240,345.20 is: 99,360,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,108,986.80 : 177,163,480.20 = 66,240,345.20 : x
  2. Step 2: Convert to fraction form
    118,108,986.80/177,163,480.20 = 66,240,345.20/x
  3. Step 3: Cross multiply
    118,108,986.80x = 177,163,480.20 × 66,240,345.20
  4. Step 4: Simplify right side
    118,108,986.80x = 11,735,370,085,281,364
  5. Step 5: Solve for x
    x = 11,735,370,085,281,364/118,108,986.80
  6. Step 6: Final answer
    x = 99,360,517.80

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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.