Home / 55,685,143.04-76,846,021.80-31,239,381.92

Finding the Fourth Proportional to 55,685,143.04, 76,846,021.80 and 31,239,381.92

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Solution

The fourth proportional to 55,685,143.04, 76,846,021.80 and 31,239,381.92 is: 43,110,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685,143.04 : 76,846,021.80 = 31,239,381.92 : x
  2. Step 2: Convert to fraction form
    55,685,143.04/76,846,021.80 = 31,239,381.92/x
  3. Step 3: Cross multiply
    55,685,143.04x = 76,846,021.80 × 31,239,381.92
  4. Step 4: Simplify right side
    55,685,143.04x = 2,400,622,224,042,846
  5. Step 5: Solve for x
    x = 2,400,622,224,042,846/55,685,143.04
  6. Step 6: Final answer
    x = 43,110,641.24

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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.