Home / 73,997,780.10-110,996,670.15-72,864,039.30

Finding the Fourth Proportional to 73,997,780.10, 110,996,670.15 and 72,864,039.30

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Solution

The fourth proportional to 73,997,780.10, 110,996,670.15 and 72,864,039.30 is: 109,296,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,997,780.10 : 110,996,670.15 = 72,864,039.30 : x
  2. Step 2: Convert to fraction form
    73,997,780.10/110,996,670.15 = 72,864,039.30/x
  3. Step 3: Cross multiply
    73,997,780.10x = 110,996,670.15 × 72,864,039.30
  4. Step 4: Simplify right side
    73,997,780.10x = 8,087,665,735,978,737
  5. Step 5: Solve for x
    x = 8,087,665,735,978,737/73,997,780.10
  6. Step 6: Final answer
    x = 109,296,058.95

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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.