Home / 109,380,879.60-164,058,877.80-28,610,012.40

Finding the Fourth Proportional to 109,380,879.60, 164,058,877.80 and 28,610,012.40

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Solution

The fourth proportional to 109,380,879.60, 164,058,877.80 and 28,610,012.40 is: 42,911,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,380,879.60 : 164,058,877.80 = 28,610,012.40 : x
  2. Step 2: Convert to fraction form
    109,380,879.60/164,058,877.80 = 28,610,012.40/x
  3. Step 3: Cross multiply
    109,380,879.60x = 164,058,877.80 × 28,610,012.40
  4. Step 4: Simplify right side
    109,380,879.60x = 4,693,726,528,188,085
  5. Step 5: Solve for x
    x = 4,693,726,528,188,085/109,380,879.60
  6. Step 6: Final answer
    x = 42,911,764.34

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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.