Home / 73,872,001.80-110,808,002.70-67,825,384.20

Finding the Fourth Proportional to 73,872,001.80, 110,808,002.70 and 67,825,384.20

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Solution

The fourth proportional to 73,872,001.80, 110,808,002.70 and 67,825,384.20 is: 101,738,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,001.80 : 110,808,002.70 = 67,825,384.20 : x
  2. Step 2: Convert to fraction form
    73,872,001.80/110,808,002.70 = 67,825,384.20/x
  3. Step 3: Cross multiply
    73,872,001.80x = 110,808,002.70 × 67,825,384.20
  4. Step 4: Simplify right side
    73,872,001.80x = 7,515,595,355,562,138
  5. Step 5: Solve for x
    x = 7,515,595,355,562,138/73,872,001.80
  6. Step 6: Final answer
    x = 101,738,076.30

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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.