Home / 112,523,879.90-168,784,871.70-87,952,474.57

Finding the Fourth Proportional to 112,523,879.90, 168,784,871.70 and 87,952,474.57

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Solution

The fourth proportional to 112,523,879.90, 168,784,871.70 and 87,952,474.57 is: 131,927,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,879.90 : 168,784,871.70 = 87,952,474.57 : x
  2. Step 2: Convert to fraction form
    112,523,879.90/168,784,871.70 = 87,952,474.57/x
  3. Step 3: Cross multiply
    112,523,879.90x = 168,784,871.70 × 87,952,474.57
  4. Step 4: Simplify right side
    112,523,879.90x = 14,845,047,135,725,000
  5. Step 5: Solve for x
    x = 14,845,047,135,725,000/112,523,879.90
  6. Step 6: Final answer
    x = 131,927,970.74

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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.