Home / 133,345,559.10-200,018,338.65-78,702,051.90

Finding the Fourth Proportional to 133,345,559.10, 200,018,338.65 and 78,702,051.90

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Solution

The fourth proportional to 133,345,559.10, 200,018,338.65 and 78,702,051.90 is: 118,053,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345,559.10 : 200,018,338.65 = 78,702,051.90 : x
  2. Step 2: Convert to fraction form
    133,345,559.10/200,018,338.65 = 78,702,051.90/x
  3. Step 3: Cross multiply
    133,345,559.10x = 200,018,338.65 × 78,702,051.90
  4. Step 4: Simplify right side
    133,345,559.10x = 15,741,853,669,384,078
  5. Step 5: Solve for x
    x = 15,741,853,669,384,078/133,345,559.10
  6. Step 6: Final answer
    x = 118,053,077.85

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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.