Home / 124,704,003.80-187,056,005.70-102,309,123.80

Finding the Fourth Proportional to 124,704,003.80, 187,056,005.70 and 102,309,123.80

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Solution

The fourth proportional to 124,704,003.80, 187,056,005.70 and 102,309,123.80 is: 153,463,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704,003.80 : 187,056,005.70 = 102,309,123.80 : x
  2. Step 2: Convert to fraction form
    124,704,003.80/187,056,005.70 = 102,309,123.80/x
  3. Step 3: Cross multiply
    124,704,003.80x = 187,056,005.70 × 102,309,123.80
  4. Step 4: Simplify right side
    124,704,003.80x = 19,137,536,044,694,804
  5. Step 5: Solve for x
    x = 19,137,536,044,694,804/124,704,003.80
  6. Step 6: Final answer
    x = 153,463,685.70

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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.