Home / 53,900,680.40-80,851,020.60-21,557,574.80

Finding the Fourth Proportional to 53,900,680.40, 80,851,020.60 and 21,557,574.80

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Solution

The fourth proportional to 53,900,680.40, 80,851,020.60 and 21,557,574.80 is: 32,336,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,680.40 : 80,851,020.60 = 21,557,574.80 : x
  2. Step 2: Convert to fraction form
    53,900,680.40/80,851,020.60 = 21,557,574.80/x
  3. Step 3: Cross multiply
    53,900,680.40x = 80,851,020.60 × 21,557,574.80
  4. Step 4: Simplify right side
    53,900,680.40x = 1,742,951,924,240,840.75
  5. Step 5: Solve for x
    x = 1,742,951,924,240,840.75/53,900,680.40
  6. Step 6: Final answer
    x = 32,336,362.20

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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.