Home / 73,824,800.40-110,737,200.60-19,972,112.40

Finding the Fourth Proportional to 73,824,800.40, 110,737,200.60 and 19,972,112.40

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Solution

The fourth proportional to 73,824,800.40, 110,737,200.60 and 19,972,112.40 is: 29,958,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,824,800.40 : 110,737,200.60 = 19,972,112.40 : x
  2. Step 2: Convert to fraction form
    73,824,800.40/110,737,200.60 = 19,972,112.40/x
  3. Step 3: Cross multiply
    73,824,800.40x = 110,737,200.60 × 19,972,112.40
  4. Step 4: Simplify right side
    73,824,800.40x = 2,211,655,817,244,547.25
  5. Step 5: Solve for x
    x = 2,211,655,817,244,547.25/73,824,800.40
  6. Step 6: Final answer
    x = 29,958,168.60

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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.