Home / 76,652,391.83-105,780,730.34-43,612,640.16

Finding the Fourth Proportional to 76,652,391.83, 105,780,730.34 and 43,612,640.16

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Solution

The fourth proportional to 76,652,391.83, 105,780,730.34 and 43,612,640.16 is: 60,185,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652,391.83 : 105,780,730.34 = 43,612,640.16 : x
  2. Step 2: Convert to fraction form
    76,652,391.83/105,780,730.34 = 43,612,640.16/x
  3. Step 3: Cross multiply
    76,652,391.83x = 105,780,730.34 × 43,612,640.16
  4. Step 4: Simplify right side
    76,652,391.83x = 4,613,376,927,892,768
  5. Step 5: Solve for x
    x = 4,613,376,927,892,768/76,652,391.83
  6. Step 6: Final answer
    x = 60,185,687.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.