Home / 284,163,644.32-392,145,831.80-153,783,452.32

Finding the Fourth Proportional to 284,163,644.32, 392,145,831.80 and 153,783,452.32

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Solution

The fourth proportional to 284,163,644.32, 392,145,831.80 and 153,783,452.32 is: 212,221,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,163,644.32 : 392,145,831.80 = 153,783,452.32 : x
  2. Step 2: Convert to fraction form
    284,163,644.32/392,145,831.80 = 153,783,452.32/x
  3. Step 3: Cross multiply
    284,163,644.32x = 392,145,831.80 × 153,783,452.32
  4. Step 4: Simplify right side
    284,163,644.32x = 60,305,539,827,102,040
  5. Step 5: Solve for x
    x = 60,305,539,827,102,040/284,163,644.32
  6. Step 6: Final answer
    x = 212,221,165.63

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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.