Home / 56,438,658.31-84,648,918.34-15,488,531.59

Finding the Fourth Proportional to 56,438,658.31, 84,648,918.34 and 15,488,531.59

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Solution

The fourth proportional to 56,438,658.31, 84,648,918.34 and 15,488,531.59 is: 23,230,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438,658.31 : 84,648,918.34 = 15,488,531.59 : x
  2. Step 2: Convert to fraction form
    56,438,658.31/84,648,918.34 = 15,488,531.59/x
  3. Step 3: Cross multiply
    56,438,658.31x = 84,648,918.34 × 15,488,531.59
  4. Step 4: Simplify right side
    56,438,658.31x = 1,311,087,445,768,420.50
  5. Step 5: Solve for x
    x = 1,311,087,445,768,420.50/56,438,658.31
  6. Step 6: Final answer
    x = 23,230,308.53

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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.