Home / 53,320,301.80-79,980,452.70-47,155,586.20

Finding the Fourth Proportional to 53,320,301.80, 79,980,452.70 and 47,155,586.20

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Solution

The fourth proportional to 53,320,301.80, 79,980,452.70 and 47,155,586.20 is: 70,733,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320,301.80 : 79,980,452.70 = 47,155,586.20 : x
  2. Step 2: Convert to fraction form
    53,320,301.80/79,980,452.70 = 47,155,586.20/x
  3. Step 3: Cross multiply
    53,320,301.80x = 79,980,452.70 × 47,155,586.20
  4. Step 4: Simplify right side
    53,320,301.80x = 3,771,525,131,609,873
  5. Step 5: Solve for x
    x = 3,771,525,131,609,873/53,320,301.80
  6. Step 6: Final answer
    x = 70,733,379.30

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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.