Home / 137,811,405.10-190,184,044.87-79,084,812.64

Finding the Fourth Proportional to 137,811,405.10, 190,184,044.87 and 79,084,812.64

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Solution

The fourth proportional to 137,811,405.10, 190,184,044.87 and 79,084,812.64 is: 109,139,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,811,405.10 : 190,184,044.87 = 79,084,812.64 : x
  2. Step 2: Convert to fraction form
    137,811,405.10/190,184,044.87 = 79,084,812.64/x
  3. Step 3: Cross multiply
    137,811,405.10x = 190,184,044.87 × 79,084,812.64
  4. Step 4: Simplify right side
    137,811,405.10x = 15,040,669,555,661,304
  5. Step 5: Solve for x
    x = 15,040,669,555,661,304/137,811,405.10
  6. Step 6: Final answer
    x = 109,139,512.40

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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.