Home / 299,025,825.15-448,622,718.53-145,676,884.35

Finding the Fourth Proportional to 299,025,825.15, 448,622,718.53 and 145,676,884.35

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Solution

The fourth proportional to 299,025,825.15, 448,622,718.53 and 145,676,884.35 is: 218,556,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,025,825.15 : 448,622,718.53 = 145,676,884.35 : x
  2. Step 2: Convert to fraction form
    299,025,825.15/448,622,718.53 = 145,676,884.35/x
  3. Step 3: Cross multiply
    299,025,825.15x = 448,622,718.53 × 145,676,884.35
  4. Step 4: Simplify right side
    299,025,825.15x = 65,353,959,883,349,024
  5. Step 5: Solve for x
    x = 65,353,959,883,349,024/299,025,825.15
  6. Step 6: Final answer
    x = 218,556,239.58

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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.