Home / 119,264,005.80-178,896,008.70-105,659,116.20

Finding the Fourth Proportional to 119,264,005.80, 178,896,008.70 and 105,659,116.20

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Solution

The fourth proportional to 119,264,005.80, 178,896,008.70 and 105,659,116.20 is: 158,488,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,264,005.80 : 178,896,008.70 = 105,659,116.20 : x
  2. Step 2: Convert to fraction form
    119,264,005.80/178,896,008.70 = 105,659,116.20/x
  3. Step 3: Cross multiply
    119,264,005.80x = 178,896,008.70 × 105,659,116.20
  4. Step 4: Simplify right side
    119,264,005.80x = 18,901,994,170,949,512
  5. Step 5: Solve for x
    x = 18,901,994,170,949,512/119,264,005.80
  6. Step 6: Final answer
    x = 158,488,674.30

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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.