Home / 54,356,389.92-75,014,921.76-31,155,381.60

Finding the Fourth Proportional to 54,356,389.92, 75,014,921.76 and 31,155,381.60

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Solution

The fourth proportional to 54,356,389.92, 75,014,921.76 and 31,155,381.60 is: 42,996,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356,389.92 : 75,014,921.76 = 31,155,381.60 : x
  2. Step 2: Convert to fraction form
    54,356,389.92/75,014,921.76 = 31,155,381.60/x
  3. Step 3: Cross multiply
    54,356,389.92x = 75,014,921.76 × 31,155,381.60
  4. Step 4: Simplify right side
    54,356,389.92x = 2,337,118,513,126,944
  5. Step 5: Solve for x
    x = 2,337,118,513,126,944/54,356,389.92
  6. Step 6: Final answer
    x = 42,996,205.53

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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.