Home / 181,918,742.70-272,878,114.05-100,005,969.90

Finding the Fourth Proportional to 181,918,742.70, 272,878,114.05 and 100,005,969.90

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Solution

The fourth proportional to 181,918,742.70, 272,878,114.05 and 100,005,969.90 is: 150,008,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918,742.70 : 272,878,114.05 = 100,005,969.90 : x
  2. Step 2: Convert to fraction form
    181,918,742.70/272,878,114.05 = 100,005,969.90/x
  3. Step 3: Cross multiply
    181,918,742.70x = 272,878,114.05 × 100,005,969.90
  4. Step 4: Simplify right side
    181,918,742.70x = 27,289,440,460,053,068
  5. Step 5: Solve for x
    x = 27,289,440,460,053,068/181,918,742.70
  6. Step 6: Final answer
    x = 150,008,954.85

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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.