Home / 78,391,031.22-117,578,944.44-23,804,089.56

Finding the Fourth Proportional to 78,391,031.22, 117,578,944.44 and 23,804,089.56

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Solution

The fourth proportional to 78,391,031.22, 117,578,944.44 and 23,804,089.56 is: 35,703,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391,031.22 : 117,578,944.44 = 23,804,089.56 : x
  2. Step 2: Convert to fraction form
    78,391,031.22/117,578,944.44 = 23,804,089.56/x
  3. Step 3: Cross multiply
    78,391,031.22x = 117,578,944.44 × 23,804,089.56
  4. Step 4: Simplify right side
    78,391,031.22x = 2,798,859,723,820,024
  5. Step 5: Solve for x
    x = 2,798,859,723,820,024/78,391,031.22
  6. Step 6: Final answer
    x = 35,703,825.81

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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.