Home / 71,075,901.87-106,620,359.13-19,957,576.23

Finding the Fourth Proportional to 71,075,901.87, 106,620,359.13 and 19,957,576.23

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Solution

The fourth proportional to 71,075,901.87, 106,620,359.13 and 19,957,576.23 is: 29,938,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,901.87 : 106,620,359.13 = 19,957,576.23 : x
  2. Step 2: Convert to fraction form
    71,075,901.87/106,620,359.13 = 19,957,576.23/x
  3. Step 3: Cross multiply
    71,075,901.87x = 106,620,359.13 × 19,957,576.23
  4. Step 4: Simplify right side
    71,075,901.87x = 2,127,883,945,006,951.50
  5. Step 5: Solve for x
    x = 2,127,883,945,006,951.50/71,075,901.87
  6. Step 6: Final answer
    x = 29,938,191.27

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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.