Home / 118,361,687.23-163,332,080.36-65,435,223.80

Finding the Fourth Proportional to 118,361,687.23, 163,332,080.36 and 65,435,223.80

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Solution

The fourth proportional to 118,361,687.23, 163,332,080.36 and 65,435,223.80 is: 90,296,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,361,687.23 : 163,332,080.36 = 65,435,223.80 : x
  2. Step 2: Convert to fraction form
    118,361,687.23/163,332,080.36 = 65,435,223.80/x
  3. Step 3: Cross multiply
    118,361,687.23x = 163,332,080.36 × 65,435,223.80
  4. Step 4: Simplify right side
    118,361,687.23x = 10,687,671,231,259,526
  5. Step 5: Solve for x
    x = 10,687,671,231,259,526/118,361,687.23
  6. Step 6: Final answer
    x = 90,296,712.41

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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.