Home / 81,658,225.73-122,452,462.78-37,911,995.52

Finding the Fourth Proportional to 81,658,225.73, 122,452,462.78 and 37,911,995.52

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Solution

The fourth proportional to 81,658,225.73, 122,452,462.78 and 37,911,995.52 is: 56,851,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,658,225.73 : 122,452,462.78 = 37,911,995.52 : x
  2. Step 2: Convert to fraction form
    81,658,225.73/122,452,462.78 = 37,911,995.52/x
  3. Step 3: Cross multiply
    81,658,225.73x = 122,452,462.78 × 37,911,995.52
  4. Step 4: Simplify right side
    81,658,225.73x = 4,642,417,220,328,327
  5. Step 5: Solve for x
    x = 4,642,417,220,328,327/81,658,225.73
  6. Step 6: Final answer
    x = 56,851,801.26

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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.