Home / 472,559,056.05-708,838,584.21-127,512,129.45

Finding the Fourth Proportional to 472,559,056.05, 708,838,584.21 and 127,512,129.45

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Solution

The fourth proportional to 472,559,056.05, 708,838,584.21 and 127,512,129.45 is: 191,268,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,559,056.05 : 708,838,584.21 = 127,512,129.45 : x
  2. Step 2: Convert to fraction form
    472,559,056.05/708,838,584.21 = 127,512,129.45/x
  3. Step 3: Cross multiply
    472,559,056.05x = 708,838,584.21 × 127,512,129.45
  4. Step 4: Simplify right side
    472,559,056.05x = 90,385,517,308,940,256
  5. Step 5: Solve for x
    x = 90,385,517,308,940,256/472,559,056.05
  6. Step 6: Final answer
    x = 191,268,194.21

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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.