Home / 187,859,871.21-259,237,839.09-104,227,111.76

Finding the Fourth Proportional to 187,859,871.21, 259,237,839.09 and 104,227,111.76

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Solution

The fourth proportional to 187,859,871.21, 259,237,839.09 and 104,227,111.76 is: 143,828,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,859,871.21 : 259,237,839.09 = 104,227,111.76 : x
  2. Step 2: Convert to fraction form
    187,859,871.21/259,237,839.09 = 104,227,111.76/x
  3. Step 3: Cross multiply
    187,859,871.21x = 259,237,839.09 × 104,227,111.76
  4. Step 4: Simplify right side
    187,859,871.21x = 27,019,611,225,958,136
  5. Step 5: Solve for x
    x = 27,019,611,225,958,136/187,859,871.21
  6. Step 6: Final answer
    x = 143,828,541.20

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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.