Home / 191,568,666.30-287,352,999.45-114,978,176.70

Finding the Fourth Proportional to 191,568,666.30, 287,352,999.45 and 114,978,176.70

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Solution

The fourth proportional to 191,568,666.30, 287,352,999.45 and 114,978,176.70 is: 172,467,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,568,666.30 : 287,352,999.45 = 114,978,176.70 : x
  2. Step 2: Convert to fraction form
    191,568,666.30/287,352,999.45 = 114,978,176.70/x
  3. Step 3: Cross multiply
    191,568,666.30x = 287,352,999.45 × 114,978,176.70
  4. Step 4: Simplify right side
    191,568,666.30x = 33,039,323,946,037,104
  5. Step 5: Solve for x
    x = 33,039,323,946,037,104/191,568,666.30
  6. Step 6: Final answer
    x = 172,467,265.05

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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.