Home / 139,554,037.41-192,581,051.64-76,829,509.34

Finding the Fourth Proportional to 139,554,037.41, 192,581,051.64 and 76,829,509.34

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Solution

The fourth proportional to 139,554,037.41, 192,581,051.64 and 76,829,509.34 is: 106,022,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,554,037.41 : 192,581,051.64 = 76,829,509.34 : x
  2. Step 2: Convert to fraction form
    139,554,037.41/192,581,051.64 = 76,829,509.34/x
  3. Step 3: Cross multiply
    139,554,037.41x = 192,581,051.64 × 76,829,509.34
  4. Step 4: Simplify right side
    139,554,037.41x = 14,795,907,705,682,402
  5. Step 5: Solve for x
    x = 14,795,907,705,682,402/139,554,037.41
  6. Step 6: Final answer
    x = 106,022,785.01

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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.