Home / 118,801,938.08-163,943,748.27-65,878,353.29

Finding the Fourth Proportional to 118,801,938.08, 163,943,748.27 and 65,878,353.29

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Solution

The fourth proportional to 118,801,938.08, 163,943,748.27 and 65,878,353.29 is: 90,910,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,801,938.08 : 163,943,748.27 = 65,878,353.29 : x
  2. Step 2: Convert to fraction form
    118,801,938.08/163,943,748.27 = 65,878,353.29/x
  3. Step 3: Cross multiply
    118,801,938.08x = 163,943,748.27 × 65,878,353.29
  4. Step 4: Simplify right side
    118,801,938.08x = 10,800,344,167,398,168
  5. Step 5: Solve for x
    x = 10,800,344,167,398,168/118,801,938.08
  6. Step 6: Final answer
    x = 90,910,504.85

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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.