Home / 143,364,945.87-215,048,663.34-46,320,663.84

Finding the Fourth Proportional to 143,364,945.87, 215,048,663.34 and 46,320,663.84

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Solution

The fourth proportional to 143,364,945.87, 215,048,663.34 and 46,320,663.84 is: 69,481,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,364,945.87 : 215,048,663.34 = 46,320,663.84 : x
  2. Step 2: Convert to fraction form
    143,364,945.87/215,048,663.34 = 46,320,663.84/x
  3. Step 3: Cross multiply
    143,364,945.87x = 215,048,663.34 × 46,320,663.84
  4. Step 4: Simplify right side
    143,364,945.87x = 9,961,196,843,391,652
  5. Step 5: Solve for x
    x = 9,961,196,843,391,652/143,364,945.87
  6. Step 6: Final answer
    x = 69,481,397.86

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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.