Home / 237,246,415.20-355,923,284.50-128,069,243

Finding the Fourth Proportional to 237,246,415.20, 355,923,284.50 and 128,069,243

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Solution

The fourth proportional to 237,246,415.20, 355,923,284.50 and 128,069,243 is: 192,132,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,246,415.20 : 355,923,284.50 = 128,069,243 : x
  2. Step 2: Convert to fraction form
    237,246,415.20/355,923,284.50 = 128,069,243/x
  3. Step 3: Cross multiply
    237,246,415.20x = 355,923,284.50 × 128,069,243
  4. Step 4: Simplify right side
    237,246,415.20x = 45,582,825,611,988,632
  5. Step 5: Solve for x
    x = 45,582,825,611,988,632/237,246,415.20
  6. Step 6: Final answer
    x = 192,132,831.91

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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.