Home / 53,155,445.80-79,821,642.30-29,238,082.60

Finding the Fourth Proportional to 53,155,445.80, 79,821,642.30 and 29,238,082.60

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Solution

The fourth proportional to 53,155,445.80, 79,821,642.30 and 29,238,082.60 is: 43,905,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155,445.80 : 79,821,642.30 = 29,238,082.60 : x
  2. Step 2: Convert to fraction form
    53,155,445.80/79,821,642.30 = 29,238,082.60/x
  3. Step 3: Cross multiply
    53,155,445.80x = 79,821,642.30 × 29,238,082.60
  4. Step 4: Simplify right side
    53,155,445.80x = 2,333,831,770,835,054
  5. Step 5: Solve for x
    x = 2,333,831,770,835,054/53,155,445.80
  6. Step 6: Final answer
    x = 43,905,788.69

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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.