Home / 115,886,636.72-173,977,458.60-75,116,679.20

Finding the Fourth Proportional to 115,886,636.72, 173,977,458.60 and 75,116,679.20

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Solution

The fourth proportional to 115,886,636.72, 173,977,458.60 and 75,116,679.20 is: 112,770,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,886,636.72 : 173,977,458.60 = 75,116,679.20 : x
  2. Step 2: Convert to fraction form
    115,886,636.72/173,977,458.60 = 75,116,679.20/x
  3. Step 3: Cross multiply
    115,886,636.72x = 173,977,458.60 × 75,116,679.20
  4. Step 4: Simplify right side
    115,886,636.72x = 13,068,608,945,687,482
  5. Step 5: Solve for x
    x = 13,068,608,945,687,482/115,886,636.72
  6. Step 6: Final answer
    x = 112,770,629.26

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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.