Home / 71,075,720.46-106,620,086.88-19,957,394.82

Finding the Fourth Proportional to 71,075,720.46, 106,620,086.88 and 19,957,394.82

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Solution

The fourth proportional to 71,075,720.46, 106,620,086.88 and 19,957,394.82 is: 29,937,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,720.46 : 106,620,086.88 = 19,957,394.82 : x
  2. Step 2: Convert to fraction form
    71,075,720.46/106,620,086.88 = 19,957,394.82/x
  3. Step 3: Cross multiply
    71,075,720.46x = 106,620,086.88 × 19,957,394.82
  4. Step 4: Simplify right side
    71,075,720.46x = 2,127,859,169,606,862
  5. Step 5: Solve for x
    x = 2,127,859,169,606,862/71,075,720.46
  6. Step 6: Final answer
    x = 29,937,919.11

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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.