Home / 73,817,818.40-110,726,727.60-45,120,004.40

Finding the Fourth Proportional to 73,817,818.40, 110,726,727.60 and 45,120,004.40

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Solution

The fourth proportional to 73,817,818.40, 110,726,727.60 and 45,120,004.40 is: 67,680,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,817,818.40 : 110,726,727.60 = 45,120,004.40 : x
  2. Step 2: Convert to fraction form
    73,817,818.40/110,726,727.60 = 45,120,004.40/x
  3. Step 3: Cross multiply
    73,817,818.40x = 110,726,727.60 × 45,120,004.40
  4. Step 4: Simplify right side
    73,817,818.40x = 4,995,990,436,509,601
  5. Step 5: Solve for x
    x = 4,995,990,436,509,601/73,817,818.40
  6. Step 6: Final answer
    x = 67,680,006.60

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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.