Home / 122,008,599.96-168,371,256-66,253,522.32

Finding the Fourth Proportional to 122,008,599.96, 168,371,256 and 66,253,522.32

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Solution

The fourth proportional to 122,008,599.96, 168,371,256 and 66,253,522.32 is: 91,429,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,008,599.96 : 168,371,256 = 66,253,522.32 : x
  2. Step 2: Convert to fraction form
    122,008,599.96/168,371,256 = 66,253,522.32/x
  3. Step 3: Cross multiply
    122,008,599.96x = 168,371,256 × 66,253,522.32
  4. Step 4: Simplify right side
    122,008,599.96x = 11,155,188,767,442,434
  5. Step 5: Solve for x
    x = 11,155,188,767,442,434/122,008,599.96
  6. Step 6: Final answer
    x = 91,429,528.50

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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.