Home / 217,025,989.56-325,525,800.34-76,973,386.68

Finding the Fourth Proportional to 217,025,989.56, 325,525,800.34 and 76,973,386.68

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Solution

The fourth proportional to 217,025,989.56, 325,525,800.34 and 76,973,386.68 is: 115,455,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,025,989.56 : 325,525,800.34 = 76,973,386.68 : x
  2. Step 2: Convert to fraction form
    217,025,989.56/325,525,800.34 = 76,973,386.68/x
  3. Step 3: Cross multiply
    217,025,989.56x = 325,525,800.34 × 76,973,386.68
  4. Step 4: Simplify right side
    217,025,989.56x = 25,056,823,303,887,296
  5. Step 5: Solve for x
    x = 25,056,823,303,887,296/217,025,989.56
  6. Step 6: Final answer
    x = 115,455,404.00

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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.