Home / 309,772,581.06-427,469,935.05-170,516,143.38

Finding the Fourth Proportional to 309,772,581.06, 427,469,935.05 and 170,516,143.38

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Solution

The fourth proportional to 309,772,581.06, 427,469,935.05 and 170,516,143.38 is: 235,303,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,772,581.06 : 427,469,935.05 = 170,516,143.38 : x
  2. Step 2: Convert to fraction form
    309,772,581.06/427,469,935.05 = 170,516,143.38/x
  3. Step 3: Cross multiply
    309,772,581.06x = 427,469,935.05 × 170,516,143.38
  4. Step 4: Simplify right side
    309,772,581.06x = 72,890,524,735,625,088
  5. Step 5: Solve for x
    x = 72,890,524,735,625,088/309,772,581.06
  6. Step 6: Final answer
    x = 235,303,345.72

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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.