Home / 122,960,412.88-169,763,628.36-76,618,747.60

Finding the Fourth Proportional to 122,960,412.88, 169,763,628.36 and 76,618,747.60

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Solution

The fourth proportional to 122,960,412.88, 169,763,628.36 and 76,618,747.60 is: 105,782,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,960,412.88 : 169,763,628.36 = 76,618,747.60 : x
  2. Step 2: Convert to fraction form
    122,960,412.88/169,763,628.36 = 76,618,747.60/x
  3. Step 3: Cross multiply
    122,960,412.88x = 169,763,628.36 × 76,618,747.60
  4. Step 4: Simplify right side
    122,960,412.88x = 13,007,076,592,975,042
  5. Step 5: Solve for x
    x = 13,007,076,592,975,042/122,960,412.88
  6. Step 6: Final answer
    x = 105,782,635.96

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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.