Home / 88,721,692.91-122,261,529.08-67,837,388.39

Finding the Fourth Proportional to 88,721,692.91, 122,261,529.08 and 67,837,388.39

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Solution

The fourth proportional to 88,721,692.91, 122,261,529.08 and 67,837,388.39 is: 93,482,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721,692.91 : 122,261,529.08 = 67,837,388.39 : x
  2. Step 2: Convert to fraction form
    88,721,692.91/122,261,529.08 = 67,837,388.39/x
  3. Step 3: Cross multiply
    88,721,692.91x = 122,261,529.08 × 67,837,388.39
  4. Step 4: Simplify right side
    88,721,692.91x = 8,293,902,832,404,746
  5. Step 5: Solve for x
    x = 8,293,902,832,404,746/88,721,692.91
  6. Step 6: Final answer
    x = 93,482,242.74

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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.