Home / 266,976,006.30-400,464,009.45-105,396,947.10

Finding the Fourth Proportional to 266,976,006.30, 400,464,009.45 and 105,396,947.10

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Solution

The fourth proportional to 266,976,006.30, 400,464,009.45 and 105,396,947.10 is: 158,095,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,976,006.30 : 400,464,009.45 = 105,396,947.10 : x
  2. Step 2: Convert to fraction form
    266,976,006.30/400,464,009.45 = 105,396,947.10/x
  3. Step 3: Cross multiply
    266,976,006.30x = 400,464,009.45 × 105,396,947.10
  4. Step 4: Simplify right side
    266,976,006.30x = 42,207,684,019,455,544
  5. Step 5: Solve for x
    x = 42,207,684,019,455,544/266,976,006.30
  6. Step 6: Final answer
    x = 158,095,420.65

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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.