Home / 187,124,493.80-258,221,340.76-102,334,867.53

Finding the Fourth Proportional to 187,124,493.80, 258,221,340.76 and 102,334,867.53

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Solution

The fourth proportional to 187,124,493.80, 258,221,340.76 and 102,334,867.53 is: 141,216,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,124,493.80 : 258,221,340.76 = 102,334,867.53 : x
  2. Step 2: Convert to fraction form
    187,124,493.80/258,221,340.76 = 102,334,867.53/x
  3. Step 3: Cross multiply
    187,124,493.80x = 258,221,340.76 × 102,334,867.53
  4. Step 4: Simplify right side
    187,124,493.80x = 26,425,046,699,581,916
  5. Step 5: Solve for x
    x = 26,425,046,699,581,916/187,124,493.80
  6. Step 6: Final answer
    x = 141,216,396.44

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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.