Home / 102,019,620.20-153,328,028.70-88,881,290.60

Finding the Fourth Proportional to 102,019,620.20, 153,328,028.70 and 88,881,290.60

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Solution

The fourth proportional to 102,019,620.20, 153,328,028.70 and 88,881,290.60 is: 133,582,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,019,620.20 : 153,328,028.70 = 88,881,290.60 : x
  2. Step 2: Convert to fraction form
    102,019,620.20/153,328,028.70 = 88,881,290.60/x
  3. Step 3: Cross multiply
    102,019,620.20x = 153,328,028.70 × 88,881,290.60
  4. Step 4: Simplify right side
    102,019,620.20x = 13,627,993,076,009,838
  5. Step 5: Solve for x
    x = 13,627,993,076,009,838/102,019,620.20
  6. Step 6: Final answer
    x = 133,582,080.09

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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.