Home / 187,932,913.35-259,344,238.31-105,424,926.63

Finding the Fourth Proportional to 187,932,913.35, 259,344,238.31 and 105,424,926.63

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Solution

The fourth proportional to 187,932,913.35, 259,344,238.31 and 105,424,926.63 is: 145,484,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932,913.35 : 259,344,238.31 = 105,424,926.63 : x
  2. Step 2: Convert to fraction form
    187,932,913.35/259,344,238.31 = 105,424,926.63/x
  3. Step 3: Cross multiply
    187,932,913.35x = 259,344,238.31 × 105,424,926.63
  4. Step 4: Simplify right side
    187,932,913.35x = 27,341,347,295,744,984
  5. Step 5: Solve for x
    x = 27,341,347,295,744,984/187,932,913.35
  6. Step 6: Final answer
    x = 145,484,613.68

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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.