Home / 72,680,418.54-109,020,627.81-29,539,514.34

Finding the Fourth Proportional to 72,680,418.54, 109,020,627.81 and 29,539,514.34

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Solution

The fourth proportional to 72,680,418.54, 109,020,627.81 and 29,539,514.34 is: 44,309,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,680,418.54 : 109,020,627.81 = 29,539,514.34 : x
  2. Step 2: Convert to fraction form
    72,680,418.54/109,020,627.81 = 29,539,514.34/x
  3. Step 3: Cross multiply
    72,680,418.54x = 109,020,627.81 × 29,539,514.34
  4. Step 4: Simplify right side
    72,680,418.54x = 3,220,416,398,549,298
  5. Step 5: Solve for x
    x = 3,220,416,398,549,298/72,680,418.54
  6. Step 6: Final answer
    x = 44,309,271.51

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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.