Home / 207,442,709.20-311,179,810.20-61,864,908.40

Finding the Fourth Proportional to 207,442,709.20, 311,179,810.20 and 61,864,908.40

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Solution

The fourth proportional to 207,442,709.20, 311,179,810.20 and 61,864,908.40 is: 92,802,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,442,709.20 : 311,179,810.20 = 61,864,908.40 : x
  2. Step 2: Convert to fraction form
    207,442,709.20/311,179,810.20 = 61,864,908.40/x
  3. Step 3: Cross multiply
    207,442,709.20x = 311,179,810.20 × 61,864,908.40
  4. Step 4: Simplify right side
    207,442,709.20x = 19,251,110,453,952,384
  5. Step 5: Solve for x
    x = 19,251,110,453,952,384/207,442,709.20
  6. Step 6: Final answer
    x = 92,802,058.59

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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.