Home / 191,962,214.40-287,943,321.60-84,256,838.40

Finding the Fourth Proportional to 191,962,214.40, 287,943,321.60 and 84,256,838.40

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Solution

The fourth proportional to 191,962,214.40, 287,943,321.60 and 84,256,838.40 is: 126,385,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,962,214.40 : 287,943,321.60 = 84,256,838.40 : x
  2. Step 2: Convert to fraction form
    191,962,214.40/287,943,321.60 = 84,256,838.40/x
  3. Step 3: Cross multiply
    191,962,214.40x = 287,943,321.60 × 84,256,838.40
  4. Step 4: Simplify right side
    191,962,214.40x = 24,261,193,916,410,432
  5. Step 5: Solve for x
    x = 24,261,193,916,410,432/191,962,214.40
  6. Step 6: Final answer
    x = 126,385,257.60

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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.