Home / 82,758,866.54-114,189,762.56-47,949,437.30

Finding the Fourth Proportional to 82,758,866.54, 114,189,762.56 and 47,949,437.30

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Solution

The fourth proportional to 82,758,866.54, 114,189,762.56 and 47,949,437.30 is: 66,160,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,866.54 : 114,189,762.56 = 47,949,437.30 : x
  2. Step 2: Convert to fraction form
    82,758,866.54/114,189,762.56 = 47,949,437.30/x
  3. Step 3: Cross multiply
    82,758,866.54x = 114,189,762.56 × 47,949,437.30
  4. Step 4: Simplify right side
    82,758,866.54x = 5,475,334,860,172,607
  5. Step 5: Solve for x
    x = 5,475,334,860,172,607/82,758,866.54
  6. Step 6: Final answer
    x = 66,160,099.69

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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.