Home / 119,264,005.30-178,896,007.95-105,659,115.70

Finding the Fourth Proportional to 119,264,005.30, 178,896,007.95 and 105,659,115.70

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Solution

The fourth proportional to 119,264,005.30, 178,896,007.95 and 105,659,115.70 is: 158,488,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,264,005.30 : 178,896,007.95 = 105,659,115.70 : x
  2. Step 2: Convert to fraction form
    119,264,005.30/178,896,007.95 = 105,659,115.70/x
  3. Step 3: Cross multiply
    119,264,005.30x = 178,896,007.95 × 105,659,115.70
  4. Step 4: Simplify right side
    119,264,005.30x = 18,901,994,002,257,168
  5. Step 5: Solve for x
    x = 18,901,994,002,257,168/119,264,005.30
  6. Step 6: Final answer
    x = 158,488,673.55

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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.