Home / 85,627,479.12-118,166,786.40-46,469,594.16

Finding the Fourth Proportional to 85,627,479.12, 118,166,786.40 and 46,469,594.16

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Solution

The fourth proportional to 85,627,479.12, 118,166,786.40 and 46,469,594.16 is: 64,128,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,627,479.12 : 118,166,786.40 = 46,469,594.16 : x
  2. Step 2: Convert to fraction form
    85,627,479.12/118,166,786.40 = 46,469,594.16/x
  3. Step 3: Cross multiply
    85,627,479.12x = 118,166,786.40 × 46,469,594.16
  4. Step 4: Simplify right side
    85,627,479.12x = 5,491,162,607,199,407
  5. Step 5: Solve for x
    x = 5,491,162,607,199,407/85,627,479.12
  6. Step 6: Final answer
    x = 64,128,509.49

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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.