Home / 299,025,812.40-448,622,699.40-145,676,871.60

Finding the Fourth Proportional to 299,025,812.40, 448,622,699.40 and 145,676,871.60

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Solution

The fourth proportional to 299,025,812.40, 448,622,699.40 and 145,676,871.60 is: 218,556,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,025,812.40 : 448,622,699.40 = 145,676,871.60 : x
  2. Step 2: Convert to fraction form
    299,025,812.40/448,622,699.40 = 145,676,871.60/x
  3. Step 3: Cross multiply
    299,025,812.40x = 448,622,699.40 × 145,676,871.60
  4. Step 4: Simplify right side
    299,025,812.40x = 65,353,951,377,339,192
  5. Step 5: Solve for x
    x = 65,353,951,377,339,192/299,025,812.40
  6. Step 6: Final answer
    x = 218,556,220.46

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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.