Home / 137,851,846.84-190,227,001.26-75,968,728.12

Finding the Fourth Proportional to 137,851,846.84, 190,227,001.26 and 75,968,728.12

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Solution

The fourth proportional to 137,851,846.84, 190,227,001.26 and 75,968,728.12 is: 104,832,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,851,846.84 : 190,227,001.26 = 75,968,728.12 : x
  2. Step 2: Convert to fraction form
    137,851,846.84/190,227,001.26 = 75,968,728.12/x
  3. Step 3: Cross multiply
    137,851,846.84x = 190,227,001.26 × 75,968,728.12
  4. Step 4: Simplify right side
    137,851,846.84x = 14,451,303,339,803,838
  5. Step 5: Solve for x
    x = 14,451,303,339,803,838/137,851,846.84
  6. Step 6: Final answer
    x = 104,832,134.43

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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.