Home / 51,519,101.16-71,098,064.64-28,315,050.60

Finding the Fourth Proportional to 51,519,101.16, 71,098,064.64 and 28,315,050.60

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Solution

The fourth proportional to 51,519,101.16, 71,098,064.64 and 28,315,050.60 is: 39,075,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,101.16 : 71,098,064.64 = 28,315,050.60 : x
  2. Step 2: Convert to fraction form
    51,519,101.16/71,098,064.64 = 28,315,050.60/x
  3. Step 3: Cross multiply
    51,519,101.16x = 71,098,064.64 × 28,315,050.60
  4. Step 4: Simplify right side
    51,519,101.16x = 2,013,145,297,843,671
  5. Step 5: Solve for x
    x = 2,013,145,297,843,671/51,519,101.16
  6. Step 6: Final answer
    x = 39,075,706.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.