Home / 73,817,817.40-110,726,726.10-45,120,003.40

Finding the Fourth Proportional to 73,817,817.40, 110,726,726.10 and 45,120,003.40

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Solution

The fourth proportional to 73,817,817.40, 110,726,726.10 and 45,120,003.40 is: 67,680,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,817,817.40 : 110,726,726.10 = 45,120,003.40 : x
  2. Step 2: Convert to fraction form
    73,817,817.40/110,726,726.10 = 45,120,003.40/x
  3. Step 3: Cross multiply
    73,817,817.40x = 110,726,726.10 × 45,120,003.40
  4. Step 4: Simplify right side
    73,817,817.40x = 4,995,990,258,102,868
  5. Step 5: Solve for x
    x = 4,995,990,258,102,868/73,817,817.40
  6. Step 6: Final answer
    x = 67,680,005.10

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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.