Home / 172,657,123.74-259,169,967.66-74,337,487.86

Finding the Fourth Proportional to 172,657,123.74, 259,169,967.66 and 74,337,487.86

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Solution

The fourth proportional to 172,657,123.74, 259,169,967.66 and 74,337,487.86 is: 111,585,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,657,123.74 : 259,169,967.66 = 74,337,487.86 : x
  2. Step 2: Convert to fraction form
    172,657,123.74/259,169,967.66 = 74,337,487.86/x
  3. Step 3: Cross multiply
    172,657,123.74x = 259,169,967.66 × 74,337,487.86
  4. Step 4: Simplify right side
    172,657,123.74x = 19,266,044,324,601,844
  5. Step 5: Solve for x
    x = 19,266,044,324,601,844/172,657,123.74
  6. Step 6: Final answer
    x = 111,585,574.39

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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.