Home / 112,071,621.60-168,107,432.40-92,939,745.60

Finding the Fourth Proportional to 112,071,621.60, 168,107,432.40 and 92,939,745.60

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Solution

The fourth proportional to 112,071,621.60, 168,107,432.40 and 92,939,745.60 is: 139,409,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071,621.60 : 168,107,432.40 = 92,939,745.60 : x
  2. Step 2: Convert to fraction form
    112,071,621.60/168,107,432.40 = 92,939,745.60/x
  3. Step 3: Cross multiply
    112,071,621.60x = 168,107,432.40 × 92,939,745.60
  4. Step 4: Simplify right side
    112,071,621.60x = 15,623,862,000,725,196
  5. Step 5: Solve for x
    x = 15,623,862,000,725,196/112,071,621.60
  6. Step 6: Final answer
    x = 139,409,618.40

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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.