Home / 42,701,523.20-64,060,579.20-18,440,403.20

Finding the Fourth Proportional to 42,701,523.20, 64,060,579.20 and 18,440,403.20

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Solution

The fourth proportional to 42,701,523.20, 64,060,579.20 and 18,440,403.20 is: 27,664,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701,523.20 : 64,060,579.20 = 18,440,403.20 : x
  2. Step 2: Convert to fraction form
    42,701,523.20/64,060,579.20 = 18,440,403.20/x
  3. Step 3: Cross multiply
    42,701,523.20x = 64,060,579.20 × 18,440,403.20
  4. Step 4: Simplify right side
    42,701,523.20x = 1,181,302,909,673,533.50
  5. Step 5: Solve for x
    x = 1,181,302,909,673,533.50/42,701,523.20
  6. Step 6: Final answer
    x = 27,664,186.69

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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.