Home / 138,840,469.50-191,595,699.66-76,114,422.66

Finding the Fourth Proportional to 138,840,469.50, 191,595,699.66 and 76,114,422.66

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Solution

The fourth proportional to 138,840,469.50, 191,595,699.66 and 76,114,422.66 is: 105,035,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,840,469.50 : 191,595,699.66 = 76,114,422.66 : x
  2. Step 2: Convert to fraction form
    138,840,469.50/191,595,699.66 = 76,114,422.66/x
  3. Step 3: Cross multiply
    138,840,469.50x = 191,595,699.66 × 76,114,422.66
  4. Step 4: Simplify right side
    138,840,469.50x = 14,583,196,063,759,658
  5. Step 5: Solve for x
    x = 14,583,196,063,759,658/138,840,469.50
  6. Step 6: Final answer
    x = 105,035,629.14

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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.