Home / 139,237,786.53-208,856,738.12-52,956,262.53

Finding the Fourth Proportional to 139,237,786.53, 208,856,738.12 and 52,956,262.53

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Solution

The fourth proportional to 139,237,786.53, 208,856,738.12 and 52,956,262.53 is: 79,434,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,237,786.53 : 208,856,738.12 = 52,956,262.53 : x
  2. Step 2: Convert to fraction form
    139,237,786.53/208,856,738.12 = 52,956,262.53/x
  3. Step 3: Cross multiply
    139,237,786.53x = 208,856,738.12 × 52,956,262.53
  4. Step 4: Simplify right side
    139,237,786.53x = 11,060,272,254,777,398
  5. Step 5: Solve for x
    x = 11,060,272,254,777,398/139,237,786.53
  6. Step 6: Final answer
    x = 79,434,415.98

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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.