Home / 101,066,889.95-139,472,728.34-54,657,143.85

Finding the Fourth Proportional to 101,066,889.95, 139,472,728.34 and 54,657,143.85

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Solution

The fourth proportional to 101,066,889.95, 139,472,728.34 and 54,657,143.85 is: 75,427,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,889.95 : 139,472,728.34 = 54,657,143.85 : x
  2. Step 2: Convert to fraction form
    101,066,889.95/139,472,728.34 = 54,657,143.85/x
  3. Step 3: Cross multiply
    101,066,889.95x = 139,472,728.34 × 54,657,143.85
  4. Step 4: Simplify right side
    101,066,889.95x = 7,623,180,975,758,067
  5. Step 5: Solve for x
    x = 7,623,180,975,758,067/101,066,889.95
  6. Step 6: Final answer
    x = 75,427,085.76

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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.