Home / 128,197,424.58-192,094,484.54-99,122,287.47

Finding the Fourth Proportional to 128,197,424.58, 192,094,484.54 and 99,122,287.47

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Solution

The fourth proportional to 128,197,424.58, 192,094,484.54 and 99,122,287.47 is: 148,527,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,197,424.58 : 192,094,484.54 = 99,122,287.47 : x
  2. Step 2: Convert to fraction form
    128,197,424.58/192,094,484.54 = 99,122,287.47/x
  3. Step 3: Cross multiply
    128,197,424.58x = 192,094,484.54 × 99,122,287.47
  4. Step 4: Simplify right side
    128,197,424.58x = 19,040,844,717,479,740
  5. Step 5: Solve for x
    x = 19,040,844,717,479,740/128,197,424.58
  6. Step 6: Final answer
    x = 148,527,513.56

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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.