Home / 48,576,966.72-66,992,803.56-40,303,924.80

Finding the Fourth Proportional to 48,576,966.72, 66,992,803.56 and 40,303,924.80

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Solution

The fourth proportional to 48,576,966.72, 66,992,803.56 and 40,303,924.80 is: 55,583,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,576,966.72 : 66,992,803.56 = 40,303,924.80 : x
  2. Step 2: Convert to fraction form
    48,576,966.72/66,992,803.56 = 40,303,924.80/x
  3. Step 3: Cross multiply
    48,576,966.72x = 66,992,803.56 × 40,303,924.80
  4. Step 4: Simplify right side
    48,576,966.72x = 2,700,072,916,823,412
  5. Step 5: Solve for x
    x = 2,700,072,916,823,412/48,576,966.72
  6. Step 6: Final answer
    x = 55,583,398.86

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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.