Home / 191,856,125.10-287,784,187.65-134,413,257.90

Finding the Fourth Proportional to 191,856,125.10, 287,784,187.65 and 134,413,257.90

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Solution

The fourth proportional to 191,856,125.10, 287,784,187.65 and 134,413,257.90 is: 201,619,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,856,125.10 : 287,784,187.65 = 134,413,257.90 : x
  2. Step 2: Convert to fraction form
    191,856,125.10/287,784,187.65 = 134,413,257.90/x
  3. Step 3: Cross multiply
    191,856,125.10x = 287,784,187.65 × 134,413,257.90
  4. Step 4: Simplify right side
    191,856,125.10x = 38,682,010,234,141,440
  5. Step 5: Solve for x
    x = 38,682,010,234,141,440/191,856,125.10
  6. Step 6: Final answer
    x = 201,619,886.85

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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.