Home / 380,936,953.98-571,501,422.51-108,307,720.98

Finding the Fourth Proportional to 380,936,953.98, 571,501,422.51 and 108,307,720.98

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Solution

The fourth proportional to 380,936,953.98, 571,501,422.51 and 108,307,720.98 is: 162,488,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,936,953.98 : 571,501,422.51 = 108,307,720.98 : x
  2. Step 2: Convert to fraction form
    380,936,953.98/571,501,422.51 = 108,307,720.98/x
  3. Step 3: Cross multiply
    380,936,953.98x = 571,501,422.51 × 108,307,720.98
  4. Step 4: Simplify right side
    380,936,953.98x = 61,898,016,606,028,656
  5. Step 5: Solve for x
    x = 61,898,016,606,028,656/380,936,953.98
  6. Step 6: Final answer
    x = 162,488,873.71

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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.