Home / 131,412,477.02-181,294,419.75-75,644,553.74

Finding the Fourth Proportional to 131,412,477.02, 181,294,419.75 and 75,644,553.74

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Solution

The fourth proportional to 131,412,477.02, 181,294,419.75 and 75,644,553.74 is: 104,357,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412,477.02 : 181,294,419.75 = 75,644,553.74 : x
  2. Step 2: Convert to fraction form
    131,412,477.02/181,294,419.75 = 75,644,553.74/x
  3. Step 3: Cross multiply
    131,412,477.02x = 181,294,419.75 × 75,644,553.74
  4. Step 4: Simplify right side
    131,412,477.02x = 13,713,935,477,540,992
  5. Step 5: Solve for x
    x = 13,713,935,477,540,992/131,412,477.02
  6. Step 6: Final answer
    x = 104,357,940.65

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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.