Home / 74,733,961.60-112,100,942.40-45,886,556.80

Finding the Fourth Proportional to 74,733,961.60, 112,100,942.40 and 45,886,556.80

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Solution

The fourth proportional to 74,733,961.60, 112,100,942.40 and 45,886,556.80 is: 68,829,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,961.60 : 112,100,942.40 = 45,886,556.80 : x
  2. Step 2: Convert to fraction form
    74,733,961.60/112,100,942.40 = 45,886,556.80/x
  3. Step 3: Cross multiply
    74,733,961.60x = 112,100,942.40 × 45,886,556.80
  4. Step 4: Simplify right side
    74,733,961.60x = 5,143,926,260,771,128
  5. Step 5: Solve for x
    x = 5,143,926,260,771,128/74,733,961.60
  6. Step 6: Final answer
    x = 68,829,835.20

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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.