Home / 179,485,178.94-247,708,589.52-105,208,149.60

Finding the Fourth Proportional to 179,485,178.94, 247,708,589.52 and 105,208,149.60

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Solution

The fourth proportional to 179,485,178.94, 247,708,589.52 and 105,208,149.60 is: 145,198,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,485,178.94 : 247,708,589.52 = 105,208,149.60 : x
  2. Step 2: Convert to fraction form
    179,485,178.94/247,708,589.52 = 105,208,149.60/x
  3. Step 3: Cross multiply
    179,485,178.94x = 247,708,589.52 × 105,208,149.60
  4. Step 4: Simplify right side
    179,485,178.94x = 26,060,962,343,425,152
  5. Step 5: Solve for x
    x = 26,060,962,343,425,152/179,485,178.94
  6. Step 6: Final answer
    x = 145,198,408.57

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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.