Home / 153,914,028.39-212,404,795.83-87,833,211.03

Finding the Fourth Proportional to 153,914,028.39, 212,404,795.83 and 87,833,211.03

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Solution

The fourth proportional to 153,914,028.39, 212,404,795.83 and 87,833,211.03 is: 121,211,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,914,028.39 : 212,404,795.83 = 87,833,211.03 : x
  2. Step 2: Convert to fraction form
    153,914,028.39/212,404,795.83 = 87,833,211.03/x
  3. Step 3: Cross multiply
    153,914,028.39x = 212,404,795.83 × 87,833,211.03
  4. Step 4: Simplify right side
    153,914,028.39x = 18,656,195,255,920,456
  5. Step 5: Solve for x
    x = 18,656,195,255,920,456/153,914,028.39
  6. Step 6: Final answer
    x = 121,211,792.40

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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.