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Finding the Fourth Proportional to 181,004,978.20, 271,507,467.30 and 59,836,430.20

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Solution

The fourth proportional to 181,004,978.20, 271,507,467.30 and 59,836,430.20 is: 89,754,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,004,978.20 : 271,507,467.30 = 59,836,430.20 : x
  2. Step 2: Convert to fraction form
    181,004,978.20/271,507,467.30 = 59,836,430.20/x
  3. Step 3: Cross multiply
    181,004,978.20x = 271,507,467.30 × 59,836,430.20
  4. Step 4: Simplify right side
    181,004,978.20x = 16,246,037,615,875,234
  5. Step 5: Solve for x
    x = 16,246,037,615,875,234/181,004,978.20
  6. Step 6: Final answer
    x = 89,754,645.30

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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.