Home / 55,368,097.20-83,136,126.60-42,603,015.60

Finding the Fourth Proportional to 55,368,097.20, 83,136,126.60 and 42,603,015.60

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Solution

The fourth proportional to 55,368,097.20, 83,136,126.60 and 42,603,015.60 is: 63,969,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368,097.20 : 83,136,126.60 = 42,603,015.60 : x
  2. Step 2: Convert to fraction form
    55,368,097.20/83,136,126.60 = 42,603,015.60/x
  3. Step 3: Cross multiply
    55,368,097.20x = 83,136,126.60 × 42,603,015.60
  4. Step 4: Simplify right side
    55,368,097.20x = 3,541,849,698,463,375
  5. Step 5: Solve for x
    x = 3,541,849,698,463,375/55,368,097.20
  6. Step 6: Final answer
    x = 63,969,142.48

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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.