Home / 352,627,902.40-528,941,853.60-148,087,998.40

Finding the Fourth Proportional to 352,627,902.40, 528,941,853.60 and 148,087,998.40

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Solution

The fourth proportional to 352,627,902.40, 528,941,853.60 and 148,087,998.40 is: 222,131,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,627,902.40 : 528,941,853.60 = 148,087,998.40 : x
  2. Step 2: Convert to fraction form
    352,627,902.40/528,941,853.60 = 148,087,998.40/x
  3. Step 3: Cross multiply
    352,627,902.40x = 528,941,853.60 × 148,087,998.40
  4. Step 4: Simplify right side
    352,627,902.40x = 78,329,940,369,609,840
  5. Step 5: Solve for x
    x = 78,329,940,369,609,840/352,627,902.40
  6. Step 6: Final answer
    x = 222,131,997.60

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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.