Home / 77,443,232.64-106,867,603.89-42,629,123.22

Finding the Fourth Proportional to 77,443,232.64, 106,867,603.89 and 42,629,123.22

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Solution

The fourth proportional to 77,443,232.64, 106,867,603.89 and 42,629,123.22 is: 58,825,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443,232.64 : 106,867,603.89 = 42,629,123.22 : x
  2. Step 2: Convert to fraction form
    77,443,232.64/106,867,603.89 = 42,629,123.22/x
  3. Step 3: Cross multiply
    77,443,232.64x = 106,867,603.89 × 42,629,123.22
  4. Step 4: Simplify right side
    77,443,232.64x = 4,555,672,254,452,961
  5. Step 5: Solve for x
    x = 4,555,672,254,452,961/77,443,232.64
  6. Step 6: Final answer
    x = 58,825,956.76

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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.