Home / 53,243,818.90-79,655,590.45-40,327,178.20

Finding the Fourth Proportional to 53,243,818.90, 79,655,590.45 and 40,327,178.20

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Solution

The fourth proportional to 53,243,818.90, 79,655,590.45 and 40,327,178.20 is: 60,331,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243,818.90 : 79,655,590.45 = 40,327,178.20 : x
  2. Step 2: Convert to fraction form
    53,243,818.90/79,655,590.45 = 40,327,178.20/x
  3. Step 3: Cross multiply
    53,243,818.90x = 79,655,590.45 × 40,327,178.20
  4. Step 4: Simplify right side
    53,243,818.90x = 3,212,285,190,554,638
  5. Step 5: Solve for x
    x = 3,212,285,190,554,638/53,243,818.90
  6. Step 6: Final answer
    x = 60,331,607.63

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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.