Home / 91,566,419.60-137,349,629.40-82,957,075.40

Finding the Fourth Proportional to 91,566,419.60, 137,349,629.40 and 82,957,075.40

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Solution

The fourth proportional to 91,566,419.60, 137,349,629.40 and 82,957,075.40 is: 124,435,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,566,419.60 : 137,349,629.40 = 82,957,075.40 : x
  2. Step 2: Convert to fraction form
    91,566,419.60/137,349,629.40 = 82,957,075.40/x
  3. Step 3: Cross multiply
    91,566,419.60x = 137,349,629.40 × 82,957,075.40
  4. Step 4: Simplify right side
    91,566,419.60x = 11,394,123,562,297,858
  5. Step 5: Solve for x
    x = 11,394,123,562,297,858/91,566,419.60
  6. Step 6: Final answer
    x = 124,435,613.10

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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.