Home / 122,027,553.60-168,408,409.28-69,113,673.60

Finding the Fourth Proportional to 122,027,553.60, 168,408,409.28 and 69,113,673.60

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Solution

The fourth proportional to 122,027,553.60, 168,408,409.28 and 69,113,673.60 is: 95,382,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,027,553.60 : 168,408,409.28 = 69,113,673.60 : x
  2. Step 2: Convert to fraction form
    122,027,553.60/168,408,409.28 = 69,113,673.60/x
  3. Step 3: Cross multiply
    122,027,553.60x = 168,408,409.28 × 69,113,673.60
  4. Step 4: Simplify right side
    122,027,553.60x = 11,639,323,830,473,130
  5. Step 5: Solve for x
    x = 11,639,323,830,473,130/122,027,553.60
  6. Step 6: Final answer
    x = 95,382,751.58

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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.