Home / 103,424,725.26-142,726,553.01-57,013,960.86

Finding the Fourth Proportional to 103,424,725.26, 142,726,553.01 and 57,013,960.86

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Solution

The fourth proportional to 103,424,725.26, 142,726,553.01 and 57,013,960.86 is: 78,679,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,424,725.26 : 142,726,553.01 = 57,013,960.86 : x
  2. Step 2: Convert to fraction form
    103,424,725.26/142,726,553.01 = 57,013,960.86/x
  3. Step 3: Cross multiply
    103,424,725.26x = 142,726,553.01 × 57,013,960.86
  4. Step 4: Simplify right side
    103,424,725.26x = 8,137,406,106,994,855
  5. Step 5: Solve for x
    x = 8,137,406,106,994,855/103,424,725.26
  6. Step 6: Final answer
    x = 78,679,504.21

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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.