Home / 151,846,872.92-209,547,589.36-82,230,638.84

Finding the Fourth Proportional to 151,846,872.92, 209,547,589.36 and 82,230,638.84

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Solution

The fourth proportional to 151,846,872.92, 209,547,589.36 and 82,230,638.84 is: 113,477,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,846,872.92 : 209,547,589.36 = 82,230,638.84 : x
  2. Step 2: Convert to fraction form
    151,846,872.92/209,547,589.36 = 82,230,638.84/x
  3. Step 3: Cross multiply
    151,846,872.92x = 209,547,589.36 × 82,230,638.84
  4. Step 4: Simplify right side
    151,846,872.92x = 17,231,232,140,454,788
  5. Step 5: Solve for x
    x = 17,231,232,140,454,788/151,846,872.92
  6. Step 6: Final answer
    x = 113,477,688.47

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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.