Home / 71,087,577.20-106,631,365.80-61,521,639.20

Finding the Fourth Proportional to 71,087,577.20, 106,631,365.80 and 61,521,639.20

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Solution

The fourth proportional to 71,087,577.20, 106,631,365.80 and 61,521,639.20 is: 92,282,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087,577.20 : 106,631,365.80 = 61,521,639.20 : x
  2. Step 2: Convert to fraction form
    71,087,577.20/106,631,365.80 = 61,521,639.20/x
  3. Step 3: Cross multiply
    71,087,577.20x = 106,631,365.80 × 61,521,639.20
  4. Step 4: Simplify right side
    71,087,577.20x = 6,560,136,414,150,819
  5. Step 5: Solve for x
    x = 6,560,136,414,150,819/71,087,577.20
  6. Step 6: Final answer
    x = 92,282,458.80

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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.