Home / 142,330,035.22-196,413,996.45-79,605,983.44

Finding the Fourth Proportional to 142,330,035.22, 196,413,996.45 and 79,605,983.44

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Solution

The fourth proportional to 142,330,035.22, 196,413,996.45 and 79,605,983.44 is: 109,855,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,330,035.22 : 196,413,996.45 = 79,605,983.44 : x
  2. Step 2: Convert to fraction form
    142,330,035.22/196,413,996.45 = 79,605,983.44/x
  3. Step 3: Cross multiply
    142,330,035.22x = 196,413,996.45 × 79,605,983.44
  4. Step 4: Simplify right side
    142,330,035.22x = 15,635,729,349,879,472
  5. Step 5: Solve for x
    x = 15,635,729,349,879,472/142,330,035.22
  6. Step 6: Final answer
    x = 109,855,444.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.