Home / 139,087,544.33-191,941,188.87-76,367,704.73

Finding the Fourth Proportional to 139,087,544.33, 191,941,188.87 and 76,367,704.73

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Solution

The fourth proportional to 139,087,544.33, 191,941,188.87 and 76,367,704.73 is: 105,387,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,087,544.33 : 191,941,188.87 = 76,367,704.73 : x
  2. Step 2: Convert to fraction form
    139,087,544.33/191,941,188.87 = 76,367,704.73/x
  3. Step 3: Cross multiply
    139,087,544.33x = 191,941,188.87 × 76,367,704.73
  4. Step 4: Simplify right side
    139,087,544.33x = 14,658,108,037,195,776
  5. Step 5: Solve for x
    x = 14,658,108,037,195,776/139,087,544.33
  6. Step 6: Final answer
    x = 105,387,639.91

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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.