Home / 145,664,379,253.32-218,479,878,372.49-38,109,033,673.12

Finding the Fourth Proportional to 145,664,379,253.32, 218,479,878,372.49 and 38,109,033,673.12

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Solution

The fourth proportional to 145,664,379,253.32, 218,479,878,372.49 and 38,109,033,673.12 is: 57,159,183,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,664,379,253.32 : 218,479,878,372.49 = 38,109,033,673.12 : x
  2. Step 2: Convert to fraction form
    145,664,379,253.32/218,479,878,372.49 = 38,109,033,673.12/x
  3. Step 3: Cross multiply
    145,664,379,253.32x = 218,479,878,372.49 × 38,109,033,673.12
  4. Step 4: Simplify right side
    145,664,379,253.32x = 8,326,057,041,796,383,375,360
  5. Step 5: Solve for x
    x = 8,326,057,041,796,383,375,360/145,664,379,253.32
  6. Step 6: Final answer
    x = 57,159,183,902.58

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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.