Home / 191,856,112.60-287,784,168.90-134,413,245.40

Finding the Fourth Proportional to 191,856,112.60, 287,784,168.90 and 134,413,245.40

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Solution

The fourth proportional to 191,856,112.60, 287,784,168.90 and 134,413,245.40 is: 201,619,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,856,112.60 : 287,784,168.90 = 134,413,245.40 : x
  2. Step 2: Convert to fraction form
    191,856,112.60/287,784,168.90 = 134,413,245.40/x
  3. Step 3: Cross multiply
    191,856,112.60x = 287,784,168.90 × 134,413,245.40
  4. Step 4: Simplify right side
    191,856,112.60x = 38,682,004,116,590,744
  5. Step 5: Solve for x
    x = 38,682,004,116,590,744/191,856,112.60
  6. Step 6: Final answer
    x = 201,619,868.10

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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.