Home / 42,768,562.88-64,153,369.13-28,288,173.44

Finding the Fourth Proportional to 42,768,562.88, 64,153,369.13 and 28,288,173.44

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Solution

The fourth proportional to 42,768,562.88, 64,153,369.13 and 28,288,173.44 is: 42,432,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,562.88 : 64,153,369.13 = 28,288,173.44 : x
  2. Step 2: Convert to fraction form
    42,768,562.88/64,153,369.13 = 28,288,173.44/x
  3. Step 3: Cross multiply
    42,768,562.88x = 64,153,369.13 × 28,288,173.44
  4. Step 4: Simplify right side
    42,768,562.88x = 1,814,781,632,247,574
  5. Step 5: Solve for x
    x = 1,814,781,632,247,574/42,768,562.88
  6. Step 6: Final answer
    x = 42,432,607.28

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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.