Home / 122,319,890.32-168,801,399.76-67,315,746.84

Finding the Fourth Proportional to 122,319,890.32, 168,801,399.76 and 67,315,746.84

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Solution

The fourth proportional to 122,319,890.32, 168,801,399.76 and 67,315,746.84 is: 92,895,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,319,890.32 : 168,801,399.76 = 67,315,746.84 : x
  2. Step 2: Convert to fraction form
    122,319,890.32/168,801,399.76 = 67,315,746.84/x
  3. Step 3: Cross multiply
    122,319,890.32x = 168,801,399.76 × 67,315,746.84
  4. Step 4: Simplify right side
    122,319,890.32x = 11,362,992,292,481,796
  5. Step 5: Solve for x
    x = 11,362,992,292,481,796/122,319,890.32
  6. Step 6: Final answer
    x = 92,895,703.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.