Home / 71,075,393.19-106,619,595.91-19,957,067.55

Finding the Fourth Proportional to 71,075,393.19, 106,619,595.91 and 19,957,067.55

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Solution

The fourth proportional to 71,075,393.19, 106,619,595.91 and 19,957,067.55 is: 29,937,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,393.19 : 106,619,595.91 = 19,957,067.55 : x
  2. Step 2: Convert to fraction form
    71,075,393.19/106,619,595.91 = 19,957,067.55/x
  3. Step 3: Cross multiply
    71,075,393.19x = 106,619,595.91 × 19,957,067.55
  4. Step 4: Simplify right side
    71,075,393.19x = 2,127,814,477,679,681
  5. Step 5: Solve for x
    x = 2,127,814,477,679,681/71,075,393.19
  6. Step 6: Final answer
    x = 29,937,428.16

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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.