Home / 296,757,904.80-445,136,857.20-143,702,896.80

Finding the Fourth Proportional to 296,757,904.80, 445,136,857.20 and 143,702,896.80

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Solution

The fourth proportional to 296,757,904.80, 445,136,857.20 and 143,702,896.80 is: 215,554,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,757,904.80 : 445,136,857.20 = 143,702,896.80 : x
  2. Step 2: Convert to fraction form
    296,757,904.80/445,136,857.20 = 143,702,896.80/x
  3. Step 3: Cross multiply
    296,757,904.80x = 445,136,857.20 × 143,702,896.80
  4. Step 4: Simplify right side
    296,757,904.80x = 63,967,455,852,087,944
  5. Step 5: Solve for x
    x = 63,967,455,852,087,944/296,757,904.80
  6. Step 6: Final answer
    x = 215,554,345.20

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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.