Home / 191,651,182.40-287,489,215.20-100,951,918.40

Finding the Fourth Proportional to 191,651,182.40, 287,489,215.20 and 100,951,918.40

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Solution

The fourth proportional to 191,651,182.40, 287,489,215.20 and 100,951,918.40 is: 151,434,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,651,182.40 : 287,489,215.20 = 100,951,918.40 : x
  2. Step 2: Convert to fraction form
    191,651,182.40/287,489,215.20 = 100,951,918.40/x
  3. Step 3: Cross multiply
    191,651,182.40x = 287,489,215.20 × 100,951,918.40
  4. Step 4: Simplify right side
    191,651,182.40x = 29,022,587,793,750,440
  5. Step 5: Solve for x
    x = 29,022,587,793,750,440/191,651,182.40
  6. Step 6: Final answer
    x = 151,434,431.19

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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.