Home / 167,572,761.04-251,356,612.20-75,391,403.64

Finding the Fourth Proportional to 167,572,761.04, 251,356,612.20 and 75,391,403.64

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Solution

The fourth proportional to 167,572,761.04, 251,356,612.20 and 75,391,403.64 is: 113,085,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,572,761.04 : 251,356,612.20 = 75,391,403.64 : x
  2. Step 2: Convert to fraction form
    167,572,761.04/251,356,612.20 = 75,391,403.64/x
  3. Step 3: Cross multiply
    167,572,761.04x = 251,356,612.20 × 75,391,403.64
  4. Step 4: Simplify right side
    167,572,761.04x = 18,950,127,807,953,148
  5. Step 5: Solve for x
    x = 18,950,127,807,953,148/167,572,761.04
  6. Step 6: Final answer
    x = 113,085,967.49

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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.