Home / 100,415,848.47-150,555,009.45-51,136,310.61

Finding the Fourth Proportional to 100,415,848.47, 150,555,009.45 and 51,136,310.61

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Solution

The fourth proportional to 100,415,848.47, 150,555,009.45 and 51,136,310.61 is: 76,669,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,415,848.47 : 150,555,009.45 = 51,136,310.61 : x
  2. Step 2: Convert to fraction form
    100,415,848.47/150,555,009.45 = 51,136,310.61/x
  3. Step 3: Cross multiply
    100,415,848.47x = 150,555,009.45 × 51,136,310.61
  4. Step 4: Simplify right side
    100,415,848.47x = 7,698,827,727,126,685
  5. Step 5: Solve for x
    x = 7,698,827,727,126,685/100,415,848.47
  6. Step 6: Final answer
    x = 76,669,448.54

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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.