Home / 174,562,965-261,845,760.11-77,492,576.34

Finding the Fourth Proportional to 174,562,965, 261,845,760.11 and 77,492,576.34

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Solution

The fourth proportional to 174,562,965, 261,845,760.11 and 77,492,576.34 is: 116,239,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,562,965 : 261,845,760.11 = 77,492,576.34 : x
  2. Step 2: Convert to fraction form
    174,562,965/261,845,760.11 = 77,492,576.34/x
  3. Step 3: Cross multiply
    174,562,965x = 261,845,760.11 × 77,492,576.34
  4. Step 4: Simplify right side
    174,562,965x = 20,291,102,554,242,040
  5. Step 5: Solve for x
    x = 20,291,102,554,242,040/174,562,965
  6. Step 6: Final answer
    x = 116,239,447.21

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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.