Home / 76,009,506.30-104,980,276.80-50,020,040.16

Finding the Fourth Proportional to 76,009,506.30, 104,980,276.80 and 50,020,040.16

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Solution

The fourth proportional to 76,009,506.30, 104,980,276.80 and 50,020,040.16 is: 69,085,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,009,506.30 : 104,980,276.80 = 50,020,040.16 : x
  2. Step 2: Convert to fraction form
    76,009,506.30/104,980,276.80 = 50,020,040.16/x
  3. Step 3: Cross multiply
    76,009,506.30x = 104,980,276.80 × 50,020,040.16
  4. Step 4: Simplify right side
    76,009,506.30x = 5,251,117,661,543,916
  5. Step 5: Solve for x
    x = 5,251,117,661,543,916/76,009,506.30
  6. Step 6: Final answer
    x = 69,085,012.09

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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.