Home / 51,805,378.40-77,687,072.40-17,709,173.60

Finding the Fourth Proportional to 51,805,378.40, 77,687,072.40 and 17,709,173.60

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Solution

The fourth proportional to 51,805,378.40, 77,687,072.40 and 17,709,173.60 is: 26,556,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805,378.40 : 77,687,072.40 = 17,709,173.60 : x
  2. Step 2: Convert to fraction form
    51,805,378.40/77,687,072.40 = 17,709,173.60/x
  3. Step 3: Cross multiply
    51,805,378.40x = 77,687,072.40 × 17,709,173.60
  4. Step 4: Simplify right side
    51,805,378.40x = 1,375,773,851,607,368.75
  5. Step 5: Solve for x
    x = 1,375,773,851,607,368.75/51,805,378.40
  6. Step 6: Final answer
    x = 26,556,583.39

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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.