Home / 51,158,599.86-76,600,389.54-38,970,000.54

Finding the Fourth Proportional to 51,158,599.86, 76,600,389.54 and 38,970,000.54

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Solution

The fourth proportional to 51,158,599.86, 76,600,389.54 and 38,970,000.54 is: 58,350,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158,599.86 : 76,600,389.54 = 38,970,000.54 : x
  2. Step 2: Convert to fraction form
    51,158,599.86/76,600,389.54 = 38,970,000.54/x
  3. Step 3: Cross multiply
    51,158,599.86x = 76,600,389.54 × 38,970,000.54
  4. Step 4: Simplify right side
    51,158,599.86x = 2,985,117,221,738,010.50
  5. Step 5: Solve for x
    x = 2,985,117,221,738,010.50/51,158,599.86
  6. Step 6: Final answer
    x = 58,350,252.55

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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.