Home / 112,101,872.80-154,700,680.80-62,542,254.28

Finding the Fourth Proportional to 112,101,872.80, 154,700,680.80 and 62,542,254.28

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Solution

The fourth proportional to 112,101,872.80, 154,700,680.80 and 62,542,254.28 is: 86,308,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,872.80 : 154,700,680.80 = 62,542,254.28 : x
  2. Step 2: Convert to fraction form
    112,101,872.80/154,700,680.80 = 62,542,254.28/x
  3. Step 3: Cross multiply
    112,101,872.80x = 154,700,680.80 × 62,542,254.28
  4. Step 4: Simplify right side
    112,101,872.80x = 9,675,329,315,882,714
  5. Step 5: Solve for x
    x = 9,675,329,315,882,714/112,101,872.80
  6. Step 6: Final answer
    x = 86,308,364.65

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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.