Home / 312,068,064.56-468,169,182.04-90,743,250.17

Finding the Fourth Proportional to 312,068,064.56, 468,169,182.04 and 90,743,250.17

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Solution

The fourth proportional to 312,068,064.56, 468,169,182.04 and 90,743,250.17 is: 136,134,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,068,064.56 : 468,169,182.04 = 90,743,250.17 : x
  2. Step 2: Convert to fraction form
    312,068,064.56/468,169,182.04 = 90,743,250.17/x
  3. Step 3: Cross multiply
    312,068,064.56x = 468,169,182.04 × 90,743,250.17
  4. Step 4: Simplify right side
    312,068,064.56x = 42,483,193,207,739,992
  5. Step 5: Solve for x
    x = 42,483,193,207,739,992/312,068,064.56
  6. Step 6: Final answer
    x = 136,134,382.31

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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.