Home / 70,689,255.39-97,551,757.53-39,749,154.03

Finding the Fourth Proportional to 70,689,255.39, 97,551,757.53 and 39,749,154.03

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Solution

The fourth proportional to 70,689,255.39, 97,551,757.53 and 39,749,154.03 is: 54,854,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,689,255.39 : 97,551,757.53 = 39,749,154.03 : x
  2. Step 2: Convert to fraction form
    70,689,255.39/97,551,757.53 = 39,749,154.03/x
  3. Step 3: Cross multiply
    70,689,255.39x = 97,551,757.53 × 39,749,154.03
  4. Step 4: Simplify right side
    70,689,255.39x = 3,877,599,835,957,182.50
  5. Step 5: Solve for x
    x = 3,877,599,835,957,182.50/70,689,255.39
  6. Step 6: Final answer
    x = 54,854,161.56

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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.