Home / 84,945,082.80-127,512,102.60-46,681,330.80

Finding the Fourth Proportional to 84,945,082.80, 127,512,102.60 and 46,681,330.80

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Solution

The fourth proportional to 84,945,082.80, 127,512,102.60 and 46,681,330.80 is: 70,073,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945,082.80 : 127,512,102.60 = 46,681,330.80 : x
  2. Step 2: Convert to fraction form
    84,945,082.80/127,512,102.60 = 46,681,330.80/x
  3. Step 3: Cross multiply
    84,945,082.80x = 127,512,102.60 × 46,681,330.80
  4. Step 4: Simplify right side
    84,945,082.80x = 5,952,434,642,474,139
  5. Step 5: Solve for x
    x = 5,952,434,642,474,139/84,945,082.80
  6. Step 6: Final answer
    x = 70,073,916.54

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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.