Home / 154,195,258.32-212,796,131.40-92,303,624.88

Finding the Fourth Proportional to 154,195,258.32, 212,796,131.40 and 92,303,624.88

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Solution

The fourth proportional to 154,195,258.32, 212,796,131.40 and 92,303,624.88 is: 127,382,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,195,258.32 : 212,796,131.40 = 92,303,624.88 : x
  2. Step 2: Convert to fraction form
    154,195,258.32/212,796,131.40 = 92,303,624.88/x
  3. Step 3: Cross multiply
    154,195,258.32x = 212,796,131.40 × 92,303,624.88
  4. Step 4: Simplify right side
    154,195,258.32x = 19,641,854,288,660,788
  5. Step 5: Solve for x
    x = 19,641,854,288,660,788/154,195,258.32
  6. Step 6: Final answer
    x = 127,382,998.04

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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.