Home / 144,918,009.20-217,314,028.20-47,836,204.40

Finding the Fourth Proportional to 144,918,009.20, 217,314,028.20 and 47,836,204.40

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Solution

The fourth proportional to 144,918,009.20, 217,314,028.20 and 47,836,204.40 is: 71,733,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,918,009.20 : 217,314,028.20 = 47,836,204.40 : x
  2. Step 2: Convert to fraction form
    144,918,009.20/217,314,028.20 = 47,836,204.40/x
  3. Step 3: Cross multiply
    144,918,009.20x = 217,314,028.20 × 47,836,204.40
  4. Step 4: Simplify right side
    144,918,009.20x = 10,395,478,271,962,564
  5. Step 5: Solve for x
    x = 10,395,478,271,962,564/144,918,009.20
  6. Step 6: Final answer
    x = 71,733,515.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.