Home / 218,219,347.40-327,329,021.10-160,823,719.40

Finding the Fourth Proportional to 218,219,347.40, 327,329,021.10 and 160,823,719.40

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Solution

The fourth proportional to 218,219,347.40, 327,329,021.10 and 160,823,719.40 is: 241,235,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,219,347.40 : 327,329,021.10 = 160,823,719.40 : x
  2. Step 2: Convert to fraction form
    218,219,347.40/327,329,021.10 = 160,823,719.40/x
  3. Step 3: Cross multiply
    218,219,347.40x = 327,329,021.10 × 160,823,719.40
  4. Step 4: Simplify right side
    218,219,347.40x = 52,642,270,640,863,088
  5. Step 5: Solve for x
    x = 52,642,270,640,863,088/218,219,347.40
  6. Step 6: Final answer
    x = 241,235,579.10

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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.