Home / 78,991,583.52-118,444,772.32-35,837,240.16

Finding the Fourth Proportional to 78,991,583.52, 118,444,772.32 and 35,837,240.16

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Solution

The fourth proportional to 78,991,583.52, 118,444,772.32 and 35,837,240.16 is: 53,736,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,991,583.52 : 118,444,772.32 = 35,837,240.16 : x
  2. Step 2: Convert to fraction form
    78,991,583.52/118,444,772.32 = 35,837,240.16/x
  3. Step 3: Cross multiply
    78,991,583.52x = 118,444,772.32 × 35,837,240.16
  4. Step 4: Simplify right side
    78,991,583.52x = 4,244,733,751,328,359.50
  5. Step 5: Solve for x
    x = 4,244,733,751,328,359.50/78,991,583.52
  6. Step 6: Final answer
    x = 53,736,531.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.