Home / 422,640,061.94-633,964,973.76-127,537,738.58

Finding the Fourth Proportional to 422,640,061.94, 633,964,973.76 and 127,537,738.58

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Solution

The fourth proportional to 422,640,061.94, 633,964,973.76 and 127,537,738.58 is: 191,308,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,640,061.94 : 633,964,973.76 = 127,537,738.58 : x
  2. Step 2: Convert to fraction form
    422,640,061.94/633,964,973.76 = 127,537,738.58/x
  3. Step 3: Cross multiply
    422,640,061.94x = 633,964,973.76 × 127,537,738.58
  4. Step 4: Simplify right side
    422,640,061.94x = 80,854,459,089,109,616
  5. Step 5: Solve for x
    x = 80,854,459,089,109,616/422,640,061.94
  6. Step 6: Final answer
    x = 191,308,080.73

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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.