Home / 140,631,635.00-194,053,252.05-81,095,130.07

Finding the Fourth Proportional to 140,631,635.00, 194,053,252.05 and 81,095,130.07

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Solution

The fourth proportional to 140,631,635.00, 194,053,252.05 and 81,095,130.07 is: 111,900,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,631,635.00 : 194,053,252.05 = 81,095,130.07 : x
  2. Step 2: Convert to fraction form
    140,631,635.00/194,053,252.05 = 81,095,130.07/x
  3. Step 3: Cross multiply
    140,631,635.00x = 194,053,252.05 × 81,095,130.07
  4. Step 4: Simplify right side
    140,631,635.00x = 15,736,773,715,016,112
  5. Step 5: Solve for x
    x = 15,736,773,715,016,112/140,631,635.00
  6. Step 6: Final answer
    x = 111,900,666.69

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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.