Home / 118,484,344.40-163,508,986.80-66,273,379.92

Finding the Fourth Proportional to 118,484,344.40, 163,508,986.80 and 66,273,379.92

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Solution

The fourth proportional to 118,484,344.40, 163,508,986.80 and 66,273,379.92 is: 91,457,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,484,344.40 : 163,508,986.80 = 66,273,379.92 : x
  2. Step 2: Convert to fraction form
    118,484,344.40/163,508,986.80 = 66,273,379.92/x
  3. Step 3: Cross multiply
    118,484,344.40x = 163,508,986.80 × 66,273,379.92
  4. Step 4: Simplify right side
    118,484,344.40x = 10,836,293,202,530,666
  5. Step 5: Solve for x
    x = 10,836,293,202,530,666/118,484,344.40
  6. Step 6: Final answer
    x = 91,457,595.16

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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.