Home / 71,216,421.21-106,821,419.22-29,700,199.26

Finding the Fourth Proportional to 71,216,421.21, 106,821,419.22 and 29,700,199.26

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Solution

The fourth proportional to 71,216,421.21, 106,821,419.22 and 29,700,199.26 is: 44,548,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216,421.21 : 106,821,419.22 = 29,700,199.26 : x
  2. Step 2: Convert to fraction form
    71,216,421.21/106,821,419.22 = 29,700,199.26/x
  3. Step 3: Cross multiply
    71,216,421.21x = 106,821,419.22 × 29,700,199.26
  4. Step 4: Simplify right side
    71,216,421.21x = 3,172,617,436,069,994
  5. Step 5: Solve for x
    x = 3,172,617,436,069,994/71,216,421.21
  6. Step 6: Final answer
    x = 44,548,959.10

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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.