Home / 112,286,915.88-154,947,295.62-63,399,169.32

Finding the Fourth Proportional to 112,286,915.88, 154,947,295.62 and 63,399,169.32

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Solution

The fourth proportional to 112,286,915.88, 154,947,295.62 and 63,399,169.32 is: 87,485,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,286,915.88 : 154,947,295.62 = 63,399,169.32 : x
  2. Step 2: Convert to fraction form
    112,286,915.88/154,947,295.62 = 63,399,169.32/x
  3. Step 3: Cross multiply
    112,286,915.88x = 154,947,295.62 × 63,399,169.32
  4. Step 4: Simplify right side
    112,286,915.88x = 9,823,529,830,688,474
  5. Step 5: Solve for x
    x = 9,823,529,830,688,474/112,286,915.88
  6. Step 6: Final answer
    x = 87,485,970.68

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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.