Home / 51,358,362.78-70,866,971.78-31,231,092.87

Finding the Fourth Proportional to 51,358,362.78, 70,866,971.78 and 31,231,092.87

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Solution

The fourth proportional to 51,358,362.78, 70,866,971.78 and 31,231,092.87 is: 43,094,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,358,362.78 : 70,866,971.78 = 31,231,092.87 : x
  2. Step 2: Convert to fraction form
    51,358,362.78/70,866,971.78 = 31,231,092.87/x
  3. Step 3: Cross multiply
    51,358,362.78x = 70,866,971.78 × 31,231,092.87
  4. Step 4: Simplify right side
    51,358,362.78x = 2,213,252,977,076,849.25
  5. Step 5: Solve for x
    x = 2,213,252,977,076,849.25/51,358,362.78
  6. Step 6: Final answer
    x = 43,094,305.53

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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.