Home / 257,725,217.40-355,660,858.08-141,831,713.40

Finding the Fourth Proportional to 257,725,217.40, 355,660,858.08 and 141,831,713.40

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Solution

The fourth proportional to 257,725,217.40, 355,660,858.08 and 141,831,713.40 is: 195,727,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,725,217.40 : 355,660,858.08 = 141,831,713.40 : x
  2. Step 2: Convert to fraction form
    257,725,217.40/355,660,858.08 = 141,831,713.40/x
  3. Step 3: Cross multiply
    257,725,217.40x = 355,660,858.08 × 141,831,713.40
  4. Step 4: Simplify right side
    257,725,217.40x = 50,443,988,890,800,632
  5. Step 5: Solve for x
    x = 50,443,988,890,800,632/257,725,217.40
  6. Step 6: Final answer
    x = 195,727,796.45

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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.