Home / 181,376,980.20-272,100,899.70-72,183,569.40

Finding the Fourth Proportional to 181,376,980.20, 272,100,899.70 and 72,183,569.40

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Solution

The fourth proportional to 181,376,980.20, 272,100,899.70 and 72,183,569.40 is: 108,289,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,376,980.20 : 272,100,899.70 = 72,183,569.40 : x
  2. Step 2: Convert to fraction form
    181,376,980.20/272,100,899.70 = 72,183,569.40/x
  3. Step 3: Cross multiply
    181,376,980.20x = 272,100,899.70 × 72,183,569.40
  4. Step 4: Simplify right side
    181,376,980.20x = 19,641,214,177,297,388
  5. Step 5: Solve for x
    x = 19,641,214,177,297,388/181,376,980.20
  6. Step 6: Final answer
    x = 108,289,454.13

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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.