Home / 71,296,408.40-98,386,209.24-40,362,994.40

Finding the Fourth Proportional to 71,296,408.40, 98,386,209.24 and 40,362,994.40

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Solution

The fourth proportional to 71,296,408.40, 98,386,209.24 and 40,362,994.40 is: 55,699,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296,408.40 : 98,386,209.24 = 40,362,994.40 : x
  2. Step 2: Convert to fraction form
    71,296,408.40/98,386,209.24 = 40,362,994.40/x
  3. Step 3: Cross multiply
    71,296,408.40x = 98,386,209.24 × 40,362,994.40
  4. Step 4: Simplify right side
    71,296,408.40x = 3,971,162,012,591,348
  5. Step 5: Solve for x
    x = 3,971,162,012,591,348/71,296,408.40
  6. Step 6: Final answer
    x = 55,699,327.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.