Home / 148,375,415.90-222,459,443.85-87,759,940.70

Finding the Fourth Proportional to 148,375,415.90, 222,459,443.85 and 87,759,940.70

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Solution

The fourth proportional to 148,375,415.90, 222,459,443.85 and 87,759,940.70 is: 131,578,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,375,415.90 : 222,459,443.85 = 87,759,940.70 : x
  2. Step 2: Convert to fraction form
    148,375,415.90/222,459,443.85 = 87,759,940.70/x
  3. Step 3: Cross multiply
    148,375,415.90x = 222,459,443.85 × 87,759,940.70
  4. Step 4: Simplify right side
    148,375,415.90x = 19,523,027,600,430,980
  5. Step 5: Solve for x
    x = 19,523,027,600,430,980/148,375,415.90
  6. Step 6: Final answer
    x = 131,578,587.21

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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.