Home / 71,075,433.51-106,619,656.59-19,957,107.87

Finding the Fourth Proportional to 71,075,433.51, 106,619,656.59 and 19,957,107.87

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Solution

The fourth proportional to 71,075,433.51, 106,619,656.59 and 19,957,107.87 is: 29,937,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,433.51 : 106,619,656.59 = 19,957,107.87 : x
  2. Step 2: Convert to fraction form
    71,075,433.51/106,619,656.59 = 19,957,107.87/x
  3. Step 3: Cross multiply
    71,075,433.51x = 106,619,656.59 × 19,957,107.87
  4. Step 4: Simplify right side
    71,075,433.51x = 2,127,819,987,628,986.50
  5. Step 5: Solve for x
    x = 2,127,819,987,628,986.50/71,075,433.51
  6. Step 6: Final answer
    x = 29,937,488.70

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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.