Home / 181,978,952.40-272,968,428.60-79,942,280.40

Finding the Fourth Proportional to 181,978,952.40, 272,968,428.60 and 79,942,280.40

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Solution

The fourth proportional to 181,978,952.40, 272,968,428.60 and 79,942,280.40 is: 119,913,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,978,952.40 : 272,968,428.60 = 79,942,280.40 : x
  2. Step 2: Convert to fraction form
    181,978,952.40/272,968,428.60 = 79,942,280.40/x
  3. Step 3: Cross multiply
    181,978,952.40x = 272,968,428.60 × 79,942,280.40
  4. Step 4: Simplify right side
    181,978,952.40x = 21,821,718,659,488,584
  5. Step 5: Solve for x
    x = 21,821,718,659,488,584/181,978,952.40
  6. Step 6: Final answer
    x = 119,913,420.60

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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.