Home / 187,932,911.35-259,344,235.55-105,424,924.63

Finding the Fourth Proportional to 187,932,911.35, 259,344,235.55 and 105,424,924.63

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Solution

The fourth proportional to 187,932,911.35, 259,344,235.55 and 105,424,924.63 is: 145,484,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932,911.35 : 259,344,235.55 = 105,424,924.63 : x
  2. Step 2: Convert to fraction form
    187,932,911.35/259,344,235.55 = 105,424,924.63/x
  3. Step 3: Cross multiply
    187,932,911.35x = 259,344,235.55 × 105,424,924.63
  4. Step 4: Simplify right side
    187,932,911.35x = 27,341,346,485,698,920
  5. Step 5: Solve for x
    x = 27,341,346,485,698,920/187,932,911.35
  6. Step 6: Final answer
    x = 145,484,610.92

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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.