Home / 74,154,404.20-111,063,644.70-43,921,316.20

Finding the Fourth Proportional to 74,154,404.20, 111,063,644.70 and 43,921,316.20

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Solution

The fourth proportional to 74,154,404.20, 111,063,644.70 and 43,921,316.20 is: 65,782,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154,404.20 : 111,063,644.70 = 43,921,316.20 : x
  2. Step 2: Convert to fraction form
    74,154,404.20/111,063,644.70 = 43,921,316.20/x
  3. Step 3: Cross multiply
    74,154,404.20x = 111,063,644.70 × 43,921,316.20
  4. Step 4: Simplify right side
    74,154,404.20x = 4,878,061,457,193,155
  5. Step 5: Solve for x
    x = 4,878,061,457,193,155/74,154,404.20
  6. Step 6: Final answer
    x = 65,782,491.41

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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.