Home / 61,015,182.90-91,512,655.22-20,075,121.24

Finding the Fourth Proportional to 61,015,182.90, 91,512,655.22 and 20,075,121.24

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Solution

The fourth proportional to 61,015,182.90, 91,512,655.22 and 20,075,121.24 is: 30,109,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,015,182.90 : 91,512,655.22 = 20,075,121.24 : x
  2. Step 2: Convert to fraction form
    61,015,182.90/91,512,655.22 = 20,075,121.24/x
  3. Step 3: Cross multiply
    61,015,182.90x = 91,512,655.22 × 20,075,121.24
  4. Step 4: Simplify right side
    61,015,182.90x = 1,837,127,648,129,911.50
  5. Step 5: Solve for x
    x = 1,837,127,648,129,911.50/61,015,182.90
  6. Step 6: Final answer
    x = 30,109,352.47

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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.