Home / 111,620,193.95-167,102,881.77-78,267,758.32

Finding the Fourth Proportional to 111,620,193.95, 167,102,881.77 and 78,267,758.32

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Solution

The fourth proportional to 111,620,193.95, 167,102,881.77 and 78,267,758.32 is: 117,172,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,620,193.95 : 167,102,881.77 = 78,267,758.32 : x
  2. Step 2: Convert to fraction form
    111,620,193.95/167,102,881.77 = 78,267,758.32/x
  3. Step 3: Cross multiply
    111,620,193.95x = 167,102,881.77 × 78,267,758.32
  4. Step 4: Simplify right side
    111,620,193.95x = 13,078,767,965,452,278
  5. Step 5: Solve for x
    x = 13,078,767,965,452,278/111,620,193.95
  6. Step 6: Final answer
    x = 117,172,059.13

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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.