Home / 99,696,059.60-149,558,086.20-31,531,643.60

Finding the Fourth Proportional to 99,696,059.60, 149,558,086.20 and 31,531,643.60

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Solution

The fourth proportional to 99,696,059.60, 149,558,086.20 and 31,531,643.60 is: 47,301,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,059.60 : 149,558,086.20 = 31,531,643.60 : x
  2. Step 2: Convert to fraction form
    99,696,059.60/149,558,086.20 = 31,531,643.60/x
  3. Step 3: Cross multiply
    99,696,059.60x = 149,558,086.20 × 31,531,643.60
  4. Step 4: Simplify right side
    99,696,059.60x = 4,715,812,271,556,478
  5. Step 5: Solve for x
    x = 4,715,812,271,556,478/99,696,059.60
  6. Step 6: Final answer
    x = 47,301,892.28

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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.