Home / 81,683,479.88-112,719,922.34-44,512,967.91

Finding the Fourth Proportional to 81,683,479.88, 112,719,922.34 and 44,512,967.91

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Solution

The fourth proportional to 81,683,479.88, 112,719,922.34 and 44,512,967.91 is: 61,426,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,683,479.88 : 112,719,922.34 = 44,512,967.91 : x
  2. Step 2: Convert to fraction form
    81,683,479.88/112,719,922.34 = 44,512,967.91/x
  3. Step 3: Cross multiply
    81,683,479.88x = 112,719,922.34 × 44,512,967.91
  4. Step 4: Simplify right side
    81,683,479.88x = 5,017,498,286,138,247
  5. Step 5: Solve for x
    x = 5,017,498,286,138,247/81,683,479.88
  6. Step 6: Final answer
    x = 61,426,108.36

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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.