Home / 126,839,312.44-175,035,274.11-74,631,729.58

Finding the Fourth Proportional to 126,839,312.44, 175,035,274.11 and 74,631,729.58

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Solution

The fourth proportional to 126,839,312.44, 175,035,274.11 and 74,631,729.58 is: 102,990,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,839,312.44 : 175,035,274.11 = 74,631,729.58 : x
  2. Step 2: Convert to fraction form
    126,839,312.44/175,035,274.11 = 74,631,729.58/x
  3. Step 3: Cross multiply
    126,839,312.44x = 175,035,274.11 × 74,631,729.58
  4. Step 4: Simplify right side
    126,839,312.44x = 13,063,185,243,901,108
  5. Step 5: Solve for x
    x = 13,063,185,243,901,108/126,839,312.44
  6. Step 6: Final answer
    x = 102,990,035.13

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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.