Home / 181,918,207.20-272,877,310.80-100,005,434.40

Finding the Fourth Proportional to 181,918,207.20, 272,877,310.80 and 100,005,434.40

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Solution

The fourth proportional to 181,918,207.20, 272,877,310.80 and 100,005,434.40 is: 150,008,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918,207.20 : 272,877,310.80 = 100,005,434.40 : x
  2. Step 2: Convert to fraction form
    181,918,207.20/272,877,310.80 = 100,005,434.40/x
  3. Step 3: Cross multiply
    181,918,207.20x = 272,877,310.80 × 100,005,434.40
  4. Step 4: Simplify right side
    181,918,207.20x = 27,289,214,004,457,816
  5. Step 5: Solve for x
    x = 27,289,214,004,457,816/181,918,207.20
  6. Step 6: Final answer
    x = 150,008,151.60

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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.