Home / 181,871,823.24-272,623,871.34-78,308,566.92

Finding the Fourth Proportional to 181,871,823.24, 272,623,871.34 and 78,308,566.92

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Solution

The fourth proportional to 181,871,823.24, 272,623,871.34 and 78,308,566.92 is: 117,383,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,871,823.24 : 272,623,871.34 = 78,308,566.92 : x
  2. Step 2: Convert to fraction form
    181,871,823.24/272,623,871.34 = 78,308,566.92/x
  3. Step 3: Cross multiply
    181,871,823.24x = 272,623,871.34 × 78,308,566.92
  4. Step 4: Simplify right side
    181,871,823.24x = 21,348,784,672,817,860
  5. Step 5: Solve for x
    x = 21,348,784,672,817,860/181,871,823.24
  6. Step 6: Final answer
    x = 117,383,684.25

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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.