Home / 83,434,807.55-115,131,738.41-48,163,975.61

Finding the Fourth Proportional to 83,434,807.55, 115,131,738.41 and 48,163,975.61

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Solution

The fourth proportional to 83,434,807.55, 115,131,738.41 and 48,163,975.61 is: 66,461,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434,807.55 : 115,131,738.41 = 48,163,975.61 : x
  2. Step 2: Convert to fraction form
    83,434,807.55/115,131,738.41 = 48,163,975.61/x
  3. Step 3: Cross multiply
    83,434,807.55x = 115,131,738.41 × 48,163,975.61
  4. Step 4: Simplify right side
    83,434,807.55x = 5,545,202,240,539,964
  5. Step 5: Solve for x
    x = 5,545,202,240,539,964/83,434,807.55
  6. Step 6: Final answer
    x = 66,461,497.34

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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.