Home / 75,015,031.68-112,526,906.94-28,957,161.60

Finding the Fourth Proportional to 75,015,031.68, 112,526,906.94 and 28,957,161.60

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Solution

The fourth proportional to 75,015,031.68, 112,526,906.94 and 28,957,161.60 is: 43,437,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015,031.68 : 112,526,906.94 = 28,957,161.60 : x
  2. Step 2: Convert to fraction form
    75,015,031.68/112,526,906.94 = 28,957,161.60/x
  3. Step 3: Cross multiply
    75,015,031.68x = 112,526,906.94 × 28,957,161.60
  4. Step 4: Simplify right side
    75,015,031.68x = 3,258,459,828,609,741.50
  5. Step 5: Solve for x
    x = 3,258,459,828,609,741.50/75,015,031.68
  6. Step 6: Final answer
    x = 43,437,425.22

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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.