Home / 143,690,475.07-215,671,977.96-88,937,437.42

Finding the Fourth Proportional to 143,690,475.07, 215,671,977.96 and 88,937,437.42

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Solution

The fourth proportional to 143,690,475.07, 215,671,977.96 and 88,937,437.42 is: 133,490,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,475.07 : 215,671,977.96 = 88,937,437.42 : x
  2. Step 2: Convert to fraction form
    143,690,475.07/215,671,977.96 = 88,937,437.42/x
  3. Step 3: Cross multiply
    143,690,475.07x = 215,671,977.96 × 88,937,437.42
  4. Step 4: Simplify right side
    143,690,475.07x = 19,181,313,043,065,120
  5. Step 5: Solve for x
    x = 19,181,313,043,065,120/143,690,475.07
  6. Step 6: Final answer
    x = 133,490,497.78

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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.