Home / 118,810,943.30-163,975,912.11-65,899,348.94

Finding the Fourth Proportional to 118,810,943.30, 163,975,912.11 and 65,899,348.94

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Solution

The fourth proportional to 118,810,943.30, 163,975,912.11 and 65,899,348.94 is: 90,950,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,810,943.30 : 163,975,912.11 = 65,899,348.94 : x
  2. Step 2: Convert to fraction form
    118,810,943.30/163,975,912.11 = 65,899,348.94/x
  3. Step 3: Cross multiply
    118,810,943.30x = 163,975,912.11 × 65,899,348.94
  4. Step 4: Simplify right side
    118,810,943.30x = 10,805,905,849,891,662
  5. Step 5: Solve for x
    x = 10,805,905,849,891,662/118,810,943.30
  6. Step 6: Final answer
    x = 90,950,425.52

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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.