Home / 118,591,744.07-163,647,671.32-72,176,868.11

Finding the Fourth Proportional to 118,591,744.07, 163,647,671.32 and 72,176,868.11

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Solution

The fourth proportional to 118,591,744.07, 163,647,671.32 and 72,176,868.11 is: 99,598,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,591,744.07 : 163,647,671.32 = 72,176,868.11 : x
  2. Step 2: Convert to fraction form
    118,591,744.07/163,647,671.32 = 72,176,868.11/x
  3. Step 3: Cross multiply
    118,591,744.07x = 163,647,671.32 × 72,176,868.11
  4. Step 4: Simplify right side
    118,591,744.07x = 11,811,576,389,871,608
  5. Step 5: Solve for x
    x = 11,811,576,389,871,608/118,591,744.07
  6. Step 6: Final answer
    x = 99,598,639.71

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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.