Home / 217,121,427.40-325,682,141.10-55,563,363.40

Finding the Fourth Proportional to 217,121,427.40, 325,682,141.10 and 55,563,363.40

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Solution

The fourth proportional to 217,121,427.40, 325,682,141.10 and 55,563,363.40 is: 83,345,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,121,427.40 : 325,682,141.10 = 55,563,363.40 : x
  2. Step 2: Convert to fraction form
    217,121,427.40/325,682,141.10 = 55,563,363.40/x
  3. Step 3: Cross multiply
    217,121,427.40x = 325,682,141.10 × 55,563,363.40
  4. Step 4: Simplify right side
    217,121,427.40x = 18,095,995,158,829,376
  5. Step 5: Solve for x
    x = 18,095,995,158,829,376/217,121,427.40
  6. Step 6: Final answer
    x = 83,345,045.10

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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.