Home / 191,856,131.10-287,784,196.65-134,413,263.90

Finding the Fourth Proportional to 191,856,131.10, 287,784,196.65 and 134,413,263.90

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Solution

The fourth proportional to 191,856,131.10, 287,784,196.65 and 134,413,263.90 is: 201,619,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,856,131.10 : 287,784,196.65 = 134,413,263.90 : x
  2. Step 2: Convert to fraction form
    191,856,131.10/287,784,196.65 = 134,413,263.90/x
  3. Step 3: Cross multiply
    191,856,131.10x = 287,784,196.65 × 134,413,263.90
  4. Step 4: Simplify right side
    191,856,131.10x = 38,682,013,170,565,944
  5. Step 5: Solve for x
    x = 38,682,013,170,565,944/191,856,131.10
  6. Step 6: Final answer
    x = 201,619,895.85

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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.