Home / 65,325,920.40-90,149,054.76-35,956,625.04

Finding the Fourth Proportional to 65,325,920.40, 90,149,054.76 and 35,956,625.04

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Solution

The fourth proportional to 65,325,920.40, 90,149,054.76 and 35,956,625.04 is: 49,619,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,325,920.40 : 90,149,054.76 = 35,956,625.04 : x
  2. Step 2: Convert to fraction form
    65,325,920.40/90,149,054.76 = 35,956,625.04/x
  3. Step 3: Cross multiply
    65,325,920.40x = 90,149,054.76 × 35,956,625.04
  4. Step 4: Simplify right side
    65,325,920.40x = 3,241,455,759,715,747.50
  5. Step 5: Solve for x
    x = 3,241,455,759,715,747.50/65,325,920.40
  6. Step 6: Final answer
    x = 49,619,748.79

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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.