Home / 191,363,009.10-287,044,513.65-181,285,313.10

Finding the Fourth Proportional to 191,363,009.10, 287,044,513.65 and 181,285,313.10

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Solution

The fourth proportional to 191,363,009.10, 287,044,513.65 and 181,285,313.10 is: 271,927,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,363,009.10 : 287,044,513.65 = 181,285,313.10 : x
  2. Step 2: Convert to fraction form
    191,363,009.10/287,044,513.65 = 181,285,313.10/x
  3. Step 3: Cross multiply
    191,363,009.10x = 287,044,513.65 × 181,285,313.10
  4. Step 4: Simplify right side
    191,363,009.10x = 52,036,954,530,677,464
  5. Step 5: Solve for x
    x = 52,036,954,530,677,464/191,363,009.10
  6. Step 6: Final answer
    x = 271,927,969.65

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Similar ratio
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1.5x scale

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.