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Finding the Fourth Proportional to 202,365,609.60, 303,556,811.20 and 58,758,441.60

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Solution

The fourth proportional to 202,365,609.60, 303,556,811.20 and 58,758,441.60 is: 88,140,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,365,609.60 : 303,556,811.20 = 58,758,441.60 : x
  2. Step 2: Convert to fraction form
    202,365,609.60/303,556,811.20 = 58,758,441.60/x
  3. Step 3: Cross multiply
    202,365,609.60x = 303,556,811.20 × 58,758,441.60
  4. Step 4: Simplify right side
    202,365,609.60x = 17,836,525,163,177,426
  5. Step 5: Solve for x
    x = 17,836,525,163,177,426/202,365,609.60
  6. Step 6: Final answer
    x = 88,140,100.48

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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.