Home / 102,829,142.24-141,904,491.36-55,786,215.60

Finding the Fourth Proportional to 102,829,142.24, 141,904,491.36 and 55,786,215.60

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Solution

The fourth proportional to 102,829,142.24, 141,904,491.36 and 55,786,215.60 is: 76,985,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,829,142.24 : 141,904,491.36 = 55,786,215.60 : x
  2. Step 2: Convert to fraction form
    102,829,142.24/141,904,491.36 = 55,786,215.60/x
  3. Step 3: Cross multiply
    102,829,142.24x = 141,904,491.36 × 55,786,215.60
  4. Step 4: Simplify right side
    102,829,142.24x = 7,916,314,549,408,098
  5. Step 5: Solve for x
    x = 7,916,314,549,408,098/102,829,142.24
  6. Step 6: Final answer
    x = 76,985,126.76

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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.