Home / 91,459,192.43-126,210,419.83-51,765,871.64

Finding the Fourth Proportional to 91,459,192.43, 126,210,419.83 and 51,765,871.64

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Solution

The fourth proportional to 91,459,192.43, 126,210,419.83 and 51,765,871.64 is: 71,435,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,459,192.43 : 126,210,419.83 = 51,765,871.64 : x
  2. Step 2: Convert to fraction form
    91,459,192.43/126,210,419.83 = 51,765,871.64/x
  3. Step 3: Cross multiply
    91,459,192.43x = 126,210,419.83 × 51,765,871.64
  4. Step 4: Simplify right side
    91,459,192.43x = 6,533,392,391,983,945
  5. Step 5: Solve for x
    x = 6,533,392,391,983,945/91,459,192.43
  6. Step 6: Final answer
    x = 71,435,054.46

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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.