Home / 187,221,013.20-280,831,519.80-141,871,381.20

Finding the Fourth Proportional to 187,221,013.20, 280,831,519.80 and 141,871,381.20

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Solution

The fourth proportional to 187,221,013.20, 280,831,519.80 and 141,871,381.20 is: 212,807,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,221,013.20 : 280,831,519.80 = 141,871,381.20 : x
  2. Step 2: Convert to fraction form
    187,221,013.20/280,831,519.80 = 141,871,381.20/x
  3. Step 3: Cross multiply
    187,221,013.20x = 280,831,519.80 × 141,871,381.20
  4. Step 4: Simplify right side
    187,221,013.20x = 39,841,955,598,521,144
  5. Step 5: Solve for x
    x = 39,841,955,598,521,144/187,221,013.20
  6. Step 6: Final answer
    x = 212,807,071.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.