Home / 117,534,253.10-176,301,379.65-85,285,625.90

Finding the Fourth Proportional to 117,534,253.10, 176,301,379.65 and 85,285,625.90

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Solution

The fourth proportional to 117,534,253.10, 176,301,379.65 and 85,285,625.90 is: 127,928,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534,253.10 : 176,301,379.65 = 85,285,625.90 : x
  2. Step 2: Convert to fraction form
    117,534,253.10/176,301,379.65 = 85,285,625.90/x
  3. Step 3: Cross multiply
    117,534,253.10x = 176,301,379.65 × 85,285,625.90
  4. Step 4: Simplify right side
    117,534,253.10x = 15,035,973,510,483,774
  5. Step 5: Solve for x
    x = 15,035,973,510,483,774/117,534,253.10
  6. Step 6: Final answer
    x = 127,928,438.85

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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.