Home / 181,134,981.20-271,702,471.80-171,781,619.60

Finding the Fourth Proportional to 181,134,981.20, 271,702,471.80 and 171,781,619.60

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Solution

The fourth proportional to 181,134,981.20, 271,702,471.80 and 171,781,619.60 is: 257,672,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,134,981.20 : 271,702,471.80 = 171,781,619.60 : x
  2. Step 2: Convert to fraction form
    181,134,981.20/271,702,471.80 = 171,781,619.60/x
  3. Step 3: Cross multiply
    181,134,981.20x = 271,702,471.80 × 171,781,619.60
  4. Step 4: Simplify right side
    181,134,981.20x = 46,673,490,655,127,328
  5. Step 5: Solve for x
    x = 46,673,490,655,127,328/181,134,981.20
  6. Step 6: Final answer
    x = 257,672,429.40

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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.