Home / 53,925,981.90-80,888,972.85-21,582,876.30

Finding the Fourth Proportional to 53,925,981.90, 80,888,972.85 and 21,582,876.30

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Solution

The fourth proportional to 53,925,981.90, 80,888,972.85 and 21,582,876.30 is: 32,374,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,925,981.90 : 80,888,972.85 = 21,582,876.30 : x
  2. Step 2: Convert to fraction form
    53,925,981.90/80,888,972.85 = 21,582,876.30/x
  3. Step 3: Cross multiply
    53,925,981.90x = 80,888,972.85 × 21,582,876.30
  4. Step 4: Simplify right side
    53,925,981.90x = 1,745,816,695,055,608.50
  5. Step 5: Solve for x
    x = 1,745,816,695,055,608.50/53,925,981.90
  6. Step 6: Final answer
    x = 32,374,314.45

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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.