Home / 191,863,047,135.78-287,337,705,903.96-111,018,373,354.39

Finding the Fourth Proportional to 191,863,047,135.78, 287,337,705,903.96 and 111,018,373,354.39

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Solution

The fourth proportional to 191,863,047,135.78, 287,337,705,903.96 and 111,018,373,354.39 is: 166,263,202,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,863,047,135.78 : 287,337,705,903.96 = 111,018,373,354.39 : x
  2. Step 2: Convert to fraction form
    191,863,047,135.78/287,337,705,903.96 = 111,018,373,354.39/x
  3. Step 3: Cross multiply
    191,863,047,135.78x = 287,337,705,903.96 × 111,018,373,354.39
  4. Step 4: Simplify right side
    191,863,047,135.78x = 31,899,764,712,839,745,372,160
  5. Step 5: Solve for x
    x = 31,899,764,712,839,745,372,160/191,863,047,135.78
  6. Step 6: Final answer
    x = 166,263,202,784.77

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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.