Home / 115,762,409.16-173,416,598.04-67,138,138.32

Finding the Fourth Proportional to 115,762,409.16, 173,416,598.04 and 67,138,138.32

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Solution

The fourth proportional to 115,762,409.16, 173,416,598.04 and 67,138,138.32 is: 100,575,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,762,409.16 : 173,416,598.04 = 67,138,138.32 : x
  2. Step 2: Convert to fraction form
    115,762,409.16/173,416,598.04 = 67,138,138.32/x
  3. Step 3: Cross multiply
    115,762,409.16x = 173,416,598.04 × 67,138,138.32
  4. Step 4: Simplify right side
    115,762,409.16x = 11,642,867,546,193,360
  5. Step 5: Solve for x
    x = 11,642,867,546,193,360/115,762,409.16
  6. Step 6: Final answer
    x = 100,575,546.33

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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.