Home / 257,716,648.32-355,649,032.68-141,823,144.32

Finding the Fourth Proportional to 257,716,648.32, 355,649,032.68 and 141,823,144.32

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Solution

The fourth proportional to 257,716,648.32, 355,649,032.68 and 141,823,144.32 is: 195,715,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,716,648.32 : 355,649,032.68 = 141,823,144.32 : x
  2. Step 2: Convert to fraction form
    257,716,648.32/355,649,032.68 = 141,823,144.32/x
  3. Step 3: Cross multiply
    257,716,648.32x = 355,649,032.68 × 141,823,144.32
  4. Step 4: Simplify right side
    257,716,648.32x = 50,439,264,089,044,032
  5. Step 5: Solve for x
    x = 50,439,264,089,044,032/257,716,648.32
  6. Step 6: Final answer
    x = 195,715,971.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.