Home / 153,943,207.50-212,271,391.49-98,100,167.25

Finding the Fourth Proportional to 153,943,207.50, 212,271,391.49 and 98,100,167.25

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Solution

The fourth proportional to 153,943,207.50, 212,271,391.49 and 98,100,167.25 is: 135,269,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,943,207.50 : 212,271,391.49 = 98,100,167.25 : x
  2. Step 2: Convert to fraction form
    153,943,207.50/212,271,391.49 = 98,100,167.25/x
  3. Step 3: Cross multiply
    153,943,207.50x = 212,271,391.49 × 98,100,167.25
  4. Step 4: Simplify right side
    153,943,207.50x = 20,823,859,007,068,728
  5. Step 5: Solve for x
    x = 20,823,859,007,068,728/153,943,207.50
  6. Step 6: Final answer
    x = 135,269,748.79

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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.