Home / 402,222,005.20-603,333,007.80-159,884,909.20

Finding the Fourth Proportional to 402,222,005.20, 603,333,007.80 and 159,884,909.20

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Solution

The fourth proportional to 402,222,005.20, 603,333,007.80 and 159,884,909.20 is: 239,827,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,222,005.20 : 603,333,007.80 = 159,884,909.20 : x
  2. Step 2: Convert to fraction form
    402,222,005.20/603,333,007.80 = 159,884,909.20/x
  3. Step 3: Cross multiply
    402,222,005.20x = 603,333,007.80 × 159,884,909.20
  4. Step 4: Simplify right side
    402,222,005.20x = 96,463,843,169,465,872
  5. Step 5: Solve for x
    x = 96,463,843,169,465,872/402,222,005.20
  6. Step 6: Final answer
    x = 239,827,363.80

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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.