Home / 257,725,225.69-355,660,869.47-141,831,721.69

Finding the Fourth Proportional to 257,725,225.69, 355,660,869.47 and 141,831,721.69

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Solution

The fourth proportional to 257,725,225.69, 355,660,869.47 and 141,831,721.69 is: 195,727,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,725,225.69 : 355,660,869.47 = 141,831,721.69 : x
  2. Step 2: Convert to fraction form
    257,725,225.69/355,660,869.47 = 141,831,721.69/x
  3. Step 3: Cross multiply
    257,725,225.69x = 355,660,869.47 × 141,831,721.69
  4. Step 4: Simplify right side
    257,725,225.69x = 50,443,993,453,983,296
  5. Step 5: Solve for x
    x = 50,443,993,453,983,296/257,725,225.69
  6. Step 6: Final answer
    x = 195,727,807.86

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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.