Home / 103,274,704.64-142,521,648.11-56,234,356.94

Finding the Fourth Proportional to 103,274,704.64, 142,521,648.11 and 56,234,356.94

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Solution

The fourth proportional to 103,274,704.64, 142,521,648.11 and 56,234,356.94 is: 77,604,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274,704.64 : 142,521,648.11 = 56,234,356.94 : x
  2. Step 2: Convert to fraction form
    103,274,704.64/142,521,648.11 = 56,234,356.94/x
  3. Step 3: Cross multiply
    103,274,704.64x = 142,521,648.11 × 56,234,356.94
  4. Step 4: Simplify right side
    103,274,704.64x = 8,014,613,230,501,036
  5. Step 5: Solve for x
    x = 8,014,613,230,501,036/103,274,704.64
  6. Step 6: Final answer
    x = 77,604,804.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.