Home / 81,227,056.14-121,828,599.45-23,703,882.30

Finding the Fourth Proportional to 81,227,056.14, 121,828,599.45 and 23,703,882.30

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Solution

The fourth proportional to 81,227,056.14, 121,828,599.45 and 23,703,882.30 is: 35,552,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227,056.14 : 121,828,599.45 = 23,703,882.30 : x
  2. Step 2: Convert to fraction form
    81,227,056.14/121,828,599.45 = 23,703,882.30/x
  3. Step 3: Cross multiply
    81,227,056.14x = 121,828,599.45 × 23,703,882.30
  4. Step 4: Simplify right side
    81,227,056.14x = 2,887,810,782,136,645
  5. Step 5: Solve for x
    x = 2,887,810,782,136,645/81,227,056.14
  6. Step 6: Final answer
    x = 35,552,326.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.