Home / 168,516,905.40-252,775,358.10-143,007,737.40

Finding the Fourth Proportional to 168,516,905.40, 252,775,358.10 and 143,007,737.40

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Solution

The fourth proportional to 168,516,905.40, 252,775,358.10 and 143,007,737.40 is: 214,511,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,516,905.40 : 252,775,358.10 = 143,007,737.40 : x
  2. Step 2: Convert to fraction form
    168,516,905.40/252,775,358.10 = 143,007,737.40/x
  3. Step 3: Cross multiply
    168,516,905.40x = 252,775,358.10 × 143,007,737.40
  4. Step 4: Simplify right side
    168,516,905.40x = 36,148,832,032,355,760
  5. Step 5: Solve for x
    x = 36,148,832,032,355,760/168,516,905.40
  6. Step 6: Final answer
    x = 214,511,606.10

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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.