Home / 84,821,823.64-117,063,594.90-51,349,745.32

Finding the Fourth Proportional to 84,821,823.64, 117,063,594.90 and 51,349,745.32

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Solution

The fourth proportional to 84,821,823.64, 117,063,594.90 and 51,349,745.32 is: 70,868,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,821,823.64 : 117,063,594.90 = 51,349,745.32 : x
  2. Step 2: Convert to fraction form
    84,821,823.64/117,063,594.90 = 51,349,745.32/x
  3. Step 3: Cross multiply
    84,821,823.64x = 117,063,594.90 × 51,349,745.32
  4. Step 4: Simplify right side
    84,821,823.64x = 6,011,185,784,941,170
  5. Step 5: Solve for x
    x = 6,011,185,784,941,170/84,821,823.64
  6. Step 6: Final answer
    x = 70,868,386.55

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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.