Home / 49,560,331.81-68,389,254.01-28,653,711.76

Finding the Fourth Proportional to 49,560,331.81, 68,389,254.01 and 28,653,711.76

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Solution

The fourth proportional to 49,560,331.81, 68,389,254.01 and 28,653,711.76 is: 39,539,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,560,331.81 : 68,389,254.01 = 28,653,711.76 : x
  2. Step 2: Convert to fraction form
    49,560,331.81/68,389,254.01 = 28,653,711.76/x
  3. Step 3: Cross multiply
    49,560,331.81x = 68,389,254.01 × 28,653,711.76
  4. Step 4: Simplify right side
    49,560,331.81x = 1,959,605,971,542,018
  5. Step 5: Solve for x
    x = 1,959,605,971,542,018/49,560,331.81
  6. Step 6: Final answer
    x = 39,539,807.35

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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.