Home / 103,424,696.32-142,726,512.96-57,013,932

Finding the Fourth Proportional to 103,424,696.32, 142,726,512.96 and 57,013,932

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Solution

The fourth proportional to 103,424,696.32, 142,726,512.96 and 57,013,932 is: 78,679,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,424,696.32 : 142,726,512.96 = 57,013,932 : x
  2. Step 2: Convert to fraction form
    103,424,696.32/142,726,512.96 = 57,013,932/x
  3. Step 3: Cross multiply
    103,424,696.32x = 142,726,512.96 × 57,013,932
  4. Step 4: Simplify right side
    103,424,696.32x = 8,137,399,704,498,559
  5. Step 5: Solve for x
    x = 8,137,399,704,498,559/103,424,696.32
  6. Step 6: Final answer
    x = 78,679,464.33

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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.