Home / 120,881,999.60-181,322,999.40-102,175,276.40

Finding the Fourth Proportional to 120,881,999.60, 181,322,999.40 and 102,175,276.40

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Solution

The fourth proportional to 120,881,999.60, 181,322,999.40 and 102,175,276.40 is: 153,262,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,881,999.60 : 181,322,999.40 = 102,175,276.40 : x
  2. Step 2: Convert to fraction form
    120,881,999.60/181,322,999.40 = 102,175,276.40/x
  3. Step 3: Cross multiply
    120,881,999.60x = 181,322,999.40 × 102,175,276.40
  4. Step 4: Simplify right side
    120,881,999.60x = 18,526,727,581,372,036
  5. Step 5: Solve for x
    x = 18,526,727,581,372,036/120,881,999.60
  6. Step 6: Final answer
    x = 153,262,914.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.