Home / 76,743,024.28-105,905,648.64-41,935,714.36

Finding the Fourth Proportional to 76,743,024.28, 105,905,648.64 and 41,935,714.36

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Solution

The fourth proportional to 76,743,024.28, 105,905,648.64 and 41,935,714.36 is: 57,871,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743,024.28 : 105,905,648.64 = 41,935,714.36 : x
  2. Step 2: Convert to fraction form
    76,743,024.28/105,905,648.64 = 41,935,714.36/x
  3. Step 3: Cross multiply
    76,743,024.28x = 105,905,648.64 × 41,935,714.36
  4. Step 4: Simplify right side
    76,743,024.28x = 4,441,229,030,477,562.50
  5. Step 5: Solve for x
    x = 4,441,229,030,477,562.50/76,743,024.28
  6. Step 6: Final answer
    x = 57,871,436.16

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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.