Home / 115,037,090.85-158,755,103.03-68,034,455.90

Finding the Fourth Proportional to 115,037,090.85, 158,755,103.03 and 68,034,455.90

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Solution

The fourth proportional to 115,037,090.85, 158,755,103.03 and 68,034,455.90 is: 93,889,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037,090.85 : 158,755,103.03 = 68,034,455.90 : x
  2. Step 2: Convert to fraction form
    115,037,090.85/158,755,103.03 = 68,034,455.90/x
  3. Step 3: Cross multiply
    115,037,090.85x = 158,755,103.03 × 68,034,455.90
  4. Step 4: Simplify right side
    115,037,090.85x = 10,800,817,054,860,544
  5. Step 5: Solve for x
    x = 10,800,817,054,860,544/115,037,090.85
  6. Step 6: Final answer
    x = 93,889,866.09

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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.