Home / 118,801,937.64-163,943,747.56-65,878,352.84

Finding the Fourth Proportional to 118,801,937.64, 163,943,747.56 and 65,878,352.84

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Solution

The fourth proportional to 118,801,937.64, 163,943,747.56 and 65,878,352.84 is: 90,910,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,801,937.64 : 163,943,747.56 = 65,878,352.84 : x
  2. Step 2: Convert to fraction form
    118,801,937.64/163,943,747.56 = 65,878,352.84/x
  3. Step 3: Cross multiply
    118,801,937.64x = 163,943,747.56 × 65,878,352.84
  4. Step 4: Simplify right side
    118,801,937.64x = 10,800,344,047,669,570
  5. Step 5: Solve for x
    x = 10,800,344,047,669,570/118,801,937.64
  6. Step 6: Final answer
    x = 90,910,504.17

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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.