Home / 143,482,132.80-215,257,347.72-46,437,840.72

Finding the Fourth Proportional to 143,482,132.80, 215,257,347.72 and 46,437,840.72

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Solution

The fourth proportional to 143,482,132.80, 215,257,347.72 and 46,437,840.72 is: 69,667,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,482,132.80 : 215,257,347.72 = 46,437,840.72 : x
  2. Step 2: Convert to fraction form
    143,482,132.80/215,257,347.72 = 46,437,840.72/x
  3. Step 3: Cross multiply
    143,482,132.80x = 215,257,347.72 × 46,437,840.72
  4. Step 4: Simplify right side
    143,482,132.80x = 9,996,086,427,231,014
  5. Step 5: Solve for x
    x = 9,996,086,427,231,014/143,482,132.80
  6. Step 6: Final answer
    x = 69,667,813.21

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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.