Home / 76,743,024.78-105,905,649.33-41,935,714.86

Finding the Fourth Proportional to 76,743,024.78, 105,905,649.33 and 41,935,714.86

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Solution

The fourth proportional to 76,743,024.78, 105,905,649.33 and 41,935,714.86 is: 57,871,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743,024.78 : 105,905,649.33 = 41,935,714.86 : x
  2. Step 2: Convert to fraction form
    76,743,024.78/105,905,649.33 = 41,935,714.86/x
  3. Step 3: Cross multiply
    76,743,024.78x = 105,905,649.33 × 41,935,714.86
  4. Step 4: Simplify right side
    76,743,024.78x = 4,441,229,112,366,030
  5. Step 5: Solve for x
    x = 4,441,229,112,366,030/76,743,024.78
  6. Step 6: Final answer
    x = 57,871,436.85

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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.