Home / 122,209,826.75-168,644,427.21-69,290,094.50

Finding the Fourth Proportional to 122,209,826.75, 168,644,427.21 and 69,290,094.50

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Solution

The fourth proportional to 122,209,826.75, 168,644,427.21 and 69,290,094.50 is: 95,617,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,209,826.75 : 168,644,427.21 = 69,290,094.50 : x
  2. Step 2: Convert to fraction form
    122,209,826.75/168,644,427.21 = 69,290,094.50/x
  3. Step 3: Cross multiply
    122,209,826.75x = 168,644,427.21 × 69,290,094.50
  4. Step 4: Simplify right side
    122,209,826.75x = 11,685,388,298,279,272
  5. Step 5: Solve for x
    x = 11,685,388,298,279,272/122,209,826.75
  6. Step 6: Final answer
    x = 95,617,419.72

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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.