Home / 138,943,839.58-208,152,692.39-92,746,409.74

Finding the Fourth Proportional to 138,943,839.58, 208,152,692.39 and 92,746,409.74

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Solution

The fourth proportional to 138,943,839.58, 208,152,692.39 and 92,746,409.74 is: 138,944,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,943,839.58 : 208,152,692.39 = 92,746,409.74 : x
  2. Step 2: Convert to fraction form
    138,943,839.58/208,152,692.39 = 92,746,409.74/x
  3. Step 3: Cross multiply
    138,943,839.58x = 208,152,692.39 × 92,746,409.74
  4. Step 4: Simplify right side
    138,943,839.58x = 19,305,414,896,598,604
  5. Step 5: Solve for x
    x = 19,305,414,896,598,604/138,943,839.58
  6. Step 6: Final answer
    x = 138,944,014.76

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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.