Home / 317,970,004.80-476,955,007.20-181,921,108.80

Finding the Fourth Proportional to 317,970,004.80, 476,955,007.20 and 181,921,108.80

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Solution

The fourth proportional to 317,970,004.80, 476,955,007.20 and 181,921,108.80 is: 272,881,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,970,004.80 : 476,955,007.20 = 181,921,108.80 : x
  2. Step 2: Convert to fraction form
    317,970,004.80/476,955,007.20 = 181,921,108.80/x
  3. Step 3: Cross multiply
    317,970,004.80x = 476,955,007.20 × 181,921,108.80
  4. Step 4: Simplify right side
    317,970,004.80x = 86,768,183,757,535,984
  5. Step 5: Solve for x
    x = 86,768,183,757,535,984/317,970,004.80
  6. Step 6: Final answer
    x = 272,881,663.20

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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.