Home / 126,336,137.44-174,345,071.36-74,126,061.28

Finding the Fourth Proportional to 126,336,137.44, 174,345,071.36 and 74,126,061.28

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Solution

The fourth proportional to 126,336,137.44, 174,345,071.36 and 74,126,061.28 is: 102,294,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336,137.44 : 174,345,071.36 = 74,126,061.28 : x
  2. Step 2: Convert to fraction form
    126,336,137.44/174,345,071.36 = 74,126,061.28/x
  3. Step 3: Cross multiply
    126,336,137.44x = 174,345,071.36 × 74,126,061.28
  4. Step 4: Simplify right side
    126,336,137.44x = 12,923,513,443,497,334
  5. Step 5: Solve for x
    x = 12,923,513,443,497,334/126,336,137.44
  6. Step 6: Final answer
    x = 102,294,669.64

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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.