Home / 55,368,101.20-83,136,132.60-42,603,019.60

Finding the Fourth Proportional to 55,368,101.20, 83,136,132.60 and 42,603,019.60

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Solution

The fourth proportional to 55,368,101.20, 83,136,132.60 and 42,603,019.60 is: 63,969,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368,101.20 : 83,136,132.60 = 42,603,019.60 : x
  2. Step 2: Convert to fraction form
    55,368,101.20/83,136,132.60 = 42,603,019.60/x
  3. Step 3: Cross multiply
    55,368,101.20x = 83,136,132.60 × 42,603,019.60
  4. Step 4: Simplify right side
    55,368,101.20x = 3,541,850,286,625,999
  5. Step 5: Solve for x
    x = 3,541,850,286,625,999/55,368,101.20
  6. Step 6: Final answer
    x = 63,969,148.48

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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.