Home / 187,936,872.80-281,905,309.20-101,843,430.80

Finding the Fourth Proportional to 187,936,872.80, 281,905,309.20 and 101,843,430.80

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Solution

The fourth proportional to 187,936,872.80, 281,905,309.20 and 101,843,430.80 is: 152,765,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,936,872.80 : 281,905,309.20 = 101,843,430.80 : x
  2. Step 2: Convert to fraction form
    187,936,872.80/281,905,309.20 = 101,843,430.80/x
  3. Step 3: Cross multiply
    187,936,872.80x = 281,905,309.20 × 101,843,430.80
  4. Step 4: Simplify right side
    187,936,872.80x = 28,710,203,849,662,800
  5. Step 5: Solve for x
    x = 28,710,203,849,662,800/187,936,872.80
  6. Step 6: Final answer
    x = 152,765,146.20

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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.