Home / 124,704,005.80-187,056,008.70-102,309,125.80

Finding the Fourth Proportional to 124,704,005.80, 187,056,008.70 and 102,309,125.80

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Solution

The fourth proportional to 124,704,005.80, 187,056,008.70 and 102,309,125.80 is: 153,463,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704,005.80 : 187,056,008.70 = 102,309,125.80 : x
  2. Step 2: Convert to fraction form
    124,704,005.80/187,056,008.70 = 102,309,125.80/x
  3. Step 3: Cross multiply
    124,704,005.80x = 187,056,008.70 × 102,309,125.80
  4. Step 4: Simplify right side
    124,704,005.80x = 19,137,536,725,734,192
  5. Step 5: Solve for x
    x = 19,137,536,725,734,192/124,704,005.80
  6. Step 6: Final answer
    x = 153,463,688.70

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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.