Home / 209,933,008.03-314,898,388.07-54,486,702.34

Finding the Fourth Proportional to 209,933,008.03, 314,898,388.07 and 54,486,702.34

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Solution

The fourth proportional to 209,933,008.03, 314,898,388.07 and 54,486,702.34 is: 81,729,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933,008.03 : 314,898,388.07 = 54,486,702.34 : x
  2. Step 2: Convert to fraction form
    209,933,008.03/314,898,388.07 = 54,486,702.34/x
  3. Step 3: Cross multiply
    209,933,008.03x = 314,898,388.07 × 54,486,702.34
  4. Step 4: Simplify right side
    209,933,008.03x = 17,157,774,737,363,524
  5. Step 5: Solve for x
    x = 17,157,774,737,363,524/209,933,008.03
  6. Step 6: Final answer
    x = 81,729,761.79

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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.