Home / 101,066,887.70-139,472,725.23-54,657,141.60

Finding the Fourth Proportional to 101,066,887.70, 139,472,725.23 and 54,657,141.60

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Solution

The fourth proportional to 101,066,887.70, 139,472,725.23 and 54,657,141.60 is: 75,427,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,887.70 : 139,472,725.23 = 54,657,141.60 : x
  2. Step 2: Convert to fraction form
    101,066,887.70/139,472,725.23 = 54,657,141.60/x
  3. Step 3: Cross multiply
    101,066,887.70x = 139,472,725.23 × 54,657,141.60
  4. Step 4: Simplify right side
    101,066,887.70x = 7,623,180,492,234,002
  5. Step 5: Solve for x
    x = 7,623,180,492,234,002/101,066,887.70
  6. Step 6: Final answer
    x = 75,427,082.66

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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.