Home / 51,779,200,189.54-77,672,307,796.28-18,198,740,115.58

Finding the Fourth Proportional to 51,779,200,189.54, 77,672,307,796.28 and 18,198,740,115.58

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Solution

The fourth proportional to 51,779,200,189.54, 77,672,307,796.28 and 18,198,740,115.58 is: 27,299,342,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,200,189.54 : 77,672,307,796.28 = 18,198,740,115.58 : x
  2. Step 2: Convert to fraction form
    51,779,200,189.54/77,672,307,796.28 = 18,198,740,115.58/x
  3. Step 3: Cross multiply
    51,779,200,189.54x = 77,672,307,796.28 × 18,198,740,115.58
  4. Step 4: Simplify right side
    51,779,200,189.54x = 1,413,538,143,761,513,840,640
  5. Step 5: Solve for x
    x = 1,413,538,143,761,513,840,640/51,779,200,189.54
  6. Step 6: Final answer
    x = 27,299,342,952.14

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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.