Home / 91,179,595.23-125,828,048.79-49,364,100.60

Finding the Fourth Proportional to 91,179,595.23, 125,828,048.79 and 49,364,100.60

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Solution

The fourth proportional to 91,179,595.23, 125,828,048.79 and 49,364,100.60 is: 68,122,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,179,595.23 : 125,828,048.79 = 49,364,100.60 : x
  2. Step 2: Convert to fraction form
    91,179,595.23/125,828,048.79 = 49,364,100.60/x
  3. Step 3: Cross multiply
    91,179,595.23x = 125,828,048.79 × 49,364,100.60
  4. Step 4: Simplify right side
    91,179,595.23x = 6,211,388,458,771,269
  5. Step 5: Solve for x
    x = 6,211,388,458,771,269/91,179,595.23
  6. Step 6: Final answer
    x = 68,122,571.10

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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.