Home / 112,523,884.66-168,784,878.82-87,952,479.32

Finding the Fourth Proportional to 112,523,884.66, 168,784,878.82 and 87,952,479.32

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Solution

The fourth proportional to 112,523,884.66, 168,784,878.82 and 87,952,479.32 is: 131,927,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,884.66 : 168,784,878.82 = 87,952,479.32 : x
  2. Step 2: Convert to fraction form
    112,523,884.66/168,784,878.82 = 87,952,479.32/x
  3. Step 3: Cross multiply
    112,523,884.66x = 168,784,878.82 × 87,952,479.32
  4. Step 4: Simplify right side
    112,523,884.66x = 14,845,048,563,944,754
  5. Step 5: Solve for x
    x = 14,845,048,563,944,754/112,523,884.66
  6. Step 6: Final answer
    x = 131,927,977.86

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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.