Home / 122,739,747.76-169,380,504.60-67,735,210.96

Finding the Fourth Proportional to 122,739,747.76, 169,380,504.60 and 67,735,210.96

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Solution

The fourth proportional to 122,739,747.76, 169,380,504.60 and 67,735,210.96 is: 93,474,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,739,747.76 : 169,380,504.60 = 67,735,210.96 : x
  2. Step 2: Convert to fraction form
    122,739,747.76/169,380,504.60 = 67,735,210.96/x
  3. Step 3: Cross multiply
    122,739,747.76x = 169,380,504.60 × 67,735,210.96
  4. Step 4: Simplify right side
    122,739,747.76x = 11,473,024,211,592,248
  5. Step 5: Solve for x
    x = 11,473,024,211,592,248/122,739,747.76
  6. Step 6: Final answer
    x = 93,474,399.46

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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.