Home / 81,060,507.04-121,603,357.38-27,220,416.16

Finding the Fourth Proportional to 81,060,507.04, 121,603,357.38 and 27,220,416.16

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Solution

The fourth proportional to 81,060,507.04, 121,603,357.38 and 27,220,416.16 is: 40,834,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,060,507.04 : 121,603,357.38 = 27,220,416.16 : x
  2. Step 2: Convert to fraction form
    81,060,507.04/121,603,357.38 = 27,220,416.16/x
  3. Step 3: Cross multiply
    81,060,507.04x = 121,603,357.38 × 27,220,416.16
  4. Step 4: Simplify right side
    81,060,507.04x = 3,310,093,994,336,807
  5. Step 5: Solve for x
    x = 3,310,093,994,336,807/81,060,507.04
  6. Step 6: Final answer
    x = 40,834,854.30

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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.