Home / 76,812,807.63-106,009,889.31-47,063,198.92

Finding the Fourth Proportional to 76,812,807.63, 106,009,889.31 and 47,063,198.92

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Solution

The fourth proportional to 76,812,807.63, 106,009,889.31 and 47,063,198.92 is: 64,952,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,812,807.63 : 106,009,889.31 = 47,063,198.92 : x
  2. Step 2: Convert to fraction form
    76,812,807.63/106,009,889.31 = 47,063,198.92/x
  3. Step 3: Cross multiply
    76,812,807.63x = 106,009,889.31 × 47,063,198.92
  4. Step 4: Simplify right side
    76,812,807.63x = 4,989,164,508,275,053
  5. Step 5: Solve for x
    x = 4,989,164,508,275,053/76,812,807.63
  6. Step 6: Final answer
    x = 64,952,247.71

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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.