Home / 143,690,662.98-215,672,259.59-88,937,625.38

Finding the Fourth Proportional to 143,690,662.98, 215,672,259.59 and 88,937,625.38

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Solution

The fourth proportional to 143,690,662.98, 215,672,259.59 and 88,937,625.38 is: 133,490,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,662.98 : 215,672,259.59 = 88,937,625.38 : x
  2. Step 2: Convert to fraction form
    143,690,662.98/215,672,259.59 = 88,937,625.38/x
  3. Step 3: Cross multiply
    143,690,662.98x = 215,672,259.59 × 88,937,625.38
  4. Step 4: Simplify right side
    143,690,662.98x = 19,181,378,628,273,532
  5. Step 5: Solve for x
    x = 19,181,378,628,273,532/143,690,662.98
  6. Step 6: Final answer
    x = 133,490,779.64

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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.