Home / 82,840,507.88-124,278,698.93-31,722,528.51

Finding the Fourth Proportional to 82,840,507.88, 124,278,698.93 and 31,722,528.51

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Solution

The fourth proportional to 82,840,507.88, 124,278,698.93 and 31,722,528.51 is: 47,590,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,840,507.88 : 124,278,698.93 = 31,722,528.51 : x
  2. Step 2: Convert to fraction form
    82,840,507.88/124,278,698.93 = 31,722,528.51/x
  3. Step 3: Cross multiply
    82,840,507.88x = 124,278,698.93 × 31,722,528.51
  4. Step 4: Simplify right side
    82,840,507.88x = 3,942,434,569,834,019
  5. Step 5: Solve for x
    x = 3,942,434,569,834,019/82,840,507.88
  6. Step 6: Final answer
    x = 47,590,661.51

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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.