Home / 111,788,546.97-167,834,031.00-77,158,850.86

Finding the Fourth Proportional to 111,788,546.97, 167,834,031.00 and 77,158,850.86

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Solution

The fourth proportional to 111,788,546.97, 167,834,031.00 and 77,158,850.86 is: 115,842,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,788,546.97 : 167,834,031.00 = 77,158,850.86 : x
  2. Step 2: Convert to fraction form
    111,788,546.97/167,834,031.00 = 77,158,850.86/x
  3. Step 3: Cross multiply
    111,788,546.97x = 167,834,031.00 × 77,158,850.86
  4. Step 4: Simplify right side
    111,788,546.97x = 12,949,880,966,355,584
  5. Step 5: Solve for x
    x = 12,949,880,966,355,584/111,788,546.97
  6. Step 6: Final answer
    x = 115,842,645.04

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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.