Home / 52,938,861.16-79,374,305.76-20,556,258.34

Finding the Fourth Proportional to 52,938,861.16, 79,374,305.76 and 20,556,258.34

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Solution

The fourth proportional to 52,938,861.16, 79,374,305.76 and 20,556,258.34 is: 30,821,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,938,861.16 : 79,374,305.76 = 20,556,258.34 : x
  2. Step 2: Convert to fraction form
    52,938,861.16/79,374,305.76 = 20,556,258.34/x
  3. Step 3: Cross multiply
    52,938,861.16x = 79,374,305.76 × 20,556,258.34
  4. Step 4: Simplify right side
    52,938,861.16x = 1,631,638,734,760,710.25
  5. Step 5: Solve for x
    x = 1,631,638,734,760,710.25/52,938,861.16
  6. Step 6: Final answer
    x = 30,821,190.69

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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.