Home / 112,523,882.65-168,784,875.82-87,952,477.32

Finding the Fourth Proportional to 112,523,882.65, 168,784,875.82 and 87,952,477.32

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Solution

The fourth proportional to 112,523,882.65, 168,784,875.82 and 87,952,477.32 is: 131,927,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,882.65 : 168,784,875.82 = 87,952,477.32 : x
  2. Step 2: Convert to fraction form
    112,523,882.65/168,784,875.82 = 87,952,477.32/x
  3. Step 3: Cross multiply
    112,523,882.65x = 168,784,875.82 × 87,952,477.32
  4. Step 4: Simplify right side
    112,523,882.65x = 14,845,047,962,517,564
  5. Step 5: Solve for x
    x = 14,845,047,962,517,564/112,523,882.65
  6. Step 6: Final answer
    x = 131,927,974.87

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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.