Home / 85,280,690.91-117,687,353.63-46,122,467.66

Finding the Fourth Proportional to 85,280,690.91, 117,687,353.63 and 46,122,467.66

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Solution

The fourth proportional to 85,280,690.91, 117,687,353.63 and 46,122,467.66 is: 63,649,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280,690.91 : 117,687,353.63 = 46,122,467.66 : x
  2. Step 2: Convert to fraction form
    85,280,690.91/117,687,353.63 = 46,122,467.66/x
  3. Step 3: Cross multiply
    85,280,690.91x = 117,687,353.63 × 46,122,467.66
  4. Step 4: Simplify right side
    85,280,690.91x = 5,428,031,161,790,658
  5. Step 5: Solve for x
    x = 5,428,031,161,790,658/85,280,690.91
  6. Step 6: Final answer
    x = 63,649,005.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.