Home / 187,932,914.35-259,344,239.69-105,424,927.63

Finding the Fourth Proportional to 187,932,914.35, 259,344,239.69 and 105,424,927.63

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Solution

The fourth proportional to 187,932,914.35, 259,344,239.69 and 105,424,927.63 is: 145,484,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932,914.35 : 259,344,239.69 = 105,424,927.63 : x
  2. Step 2: Convert to fraction form
    187,932,914.35/259,344,239.69 = 105,424,927.63/x
  3. Step 3: Cross multiply
    187,932,914.35x = 259,344,239.69 × 105,424,927.63
  4. Step 4: Simplify right side
    187,932,914.35x = 27,341,347,700,575,624
  5. Step 5: Solve for x
    x = 27,341,347,700,575,624/187,932,914.35
  6. Step 6: Final answer
    x = 145,484,615.06

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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.