Home / 76,801,886.86-115,202,941.17-31,363,681.36

Finding the Fourth Proportional to 76,801,886.86, 115,202,941.17 and 31,363,681.36

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Solution

The fourth proportional to 76,801,886.86, 115,202,941.17 and 31,363,681.36 is: 47,045,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,801,886.86 : 115,202,941.17 = 31,363,681.36 : x
  2. Step 2: Convert to fraction form
    76,801,886.86/115,202,941.17 = 31,363,681.36/x
  3. Step 3: Cross multiply
    76,801,886.86x = 115,202,941.17 × 31,363,681.36
  4. Step 4: Simplify right side
    76,801,886.86x = 3,613,188,338,401,090
  5. Step 5: Solve for x
    x = 3,613,188,338,401,090/76,801,886.86
  6. Step 6: Final answer
    x = 47,045,567.32

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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.