Home / 78,284,613.89-108,033,018.71-43,477,303.31

Finding the Fourth Proportional to 78,284,613.89, 108,033,018.71 and 43,477,303.31

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Solution

The fourth proportional to 78,284,613.89, 108,033,018.71 and 43,477,303.31 is: 59,998,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284,613.89 : 108,033,018.71 = 43,477,303.31 : x
  2. Step 2: Convert to fraction form
    78,284,613.89/108,033,018.71 = 43,477,303.31/x
  3. Step 3: Cross multiply
    78,284,613.89x = 108,033,018.71 × 43,477,303.31
  4. Step 4: Simplify right side
    78,284,613.89x = 4,696,984,321,192,023
  5. Step 5: Solve for x
    x = 4,696,984,321,192,023/78,284,613.89
  6. Step 6: Final answer
    x = 59,998,818.26

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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.