Home / 80,881,709.60-121,322,564.40-35,532,077.60

Finding the Fourth Proportional to 80,881,709.60, 121,322,564.40 and 35,532,077.60

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Solution

The fourth proportional to 80,881,709.60, 121,322,564.40 and 35,532,077.60 is: 53,298,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881,709.60 : 121,322,564.40 = 35,532,077.60 : x
  2. Step 2: Convert to fraction form
    80,881,709.60/121,322,564.40 = 35,532,077.60/x
  3. Step 3: Cross multiply
    80,881,709.60x = 121,322,564.40 × 35,532,077.60
  4. Step 4: Simplify right side
    80,881,709.60x = 4,310,842,772,891,798
  5. Step 5: Solve for x
    x = 4,310,842,772,891,798/80,881,709.60
  6. Step 6: Final answer
    x = 53,298,116.40

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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.