Home / 53,899,234.40-80,848,851.60-21,556,128.80

Finding the Fourth Proportional to 53,899,234.40, 80,848,851.60 and 21,556,128.80

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Solution

The fourth proportional to 53,899,234.40, 80,848,851.60 and 21,556,128.80 is: 32,334,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899,234.40 : 80,848,851.60 = 21,556,128.80 : x
  2. Step 2: Convert to fraction form
    53,899,234.40/80,848,851.60 = 21,556,128.80/x
  3. Step 3: Cross multiply
    53,899,234.40x = 80,848,851.60 × 21,556,128.80
  4. Step 4: Simplify right side
    53,899,234.40x = 1,742,788,258,421,686
  5. Step 5: Solve for x
    x = 1,742,788,258,421,686/53,899,234.40
  6. Step 6: Final answer
    x = 32,334,193.20

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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.