Home / 122,353,728.60-168,852,600.42-66,596,453.88

Finding the Fourth Proportional to 122,353,728.60, 168,852,600.42 and 66,596,453.88

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Solution

The fourth proportional to 122,353,728.60, 168,852,600.42 and 66,596,453.88 is: 91,905,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353,728.60 : 168,852,600.42 = 66,596,453.88 : x
  2. Step 2: Convert to fraction form
    122,353,728.60/168,852,600.42 = 66,596,453.88/x
  3. Step 3: Cross multiply
    122,353,728.60x = 168,852,600.42 × 66,596,453.88
  4. Step 4: Simplify right side
    122,353,728.60x = 11,244,984,416,388,598
  5. Step 5: Solve for x
    x = 11,244,984,416,388,598/122,353,728.60
  6. Step 6: Final answer
    x = 91,905,531.16

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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.