Home / 103,588,450.27-142,952,075.36-57,178,712.95

Finding the Fourth Proportional to 103,588,450.27, 142,952,075.36 and 57,178,712.95

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Solution

The fourth proportional to 103,588,450.27, 142,952,075.36 and 57,178,712.95 is: 78,906,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,588,450.27 : 142,952,075.36 = 57,178,712.95 : x
  2. Step 2: Convert to fraction form
    103,588,450.27/142,952,075.36 = 57,178,712.95/x
  3. Step 3: Cross multiply
    103,588,450.27x = 142,952,075.36 × 57,178,712.95
  4. Step 4: Simplify right side
    103,588,450.27x = 8,173,815,682,044,395
  5. Step 5: Solve for x
    x = 8,173,815,682,044,395/103,588,450.27
  6. Step 6: Final answer
    x = 78,906,631.59

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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.