Home / 100,063,541.77-138,089,097.65-57,653,662.41

Finding the Fourth Proportional to 100,063,541.77, 138,089,097.65 and 57,653,662.41

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Solution

The fourth proportional to 100,063,541.77, 138,089,097.65 and 57,653,662.41 is: 79,562,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,063,541.77 : 138,089,097.65 = 57,653,662.41 : x
  2. Step 2: Convert to fraction form
    100,063,541.77/138,089,097.65 = 57,653,662.41/x
  3. Step 3: Cross multiply
    100,063,541.77x = 138,089,097.65 × 57,653,662.41
  4. Step 4: Simplify right side
    100,063,541.77x = 7,961,342,218,396,751
  5. Step 5: Solve for x
    x = 7,961,342,218,396,751/100,063,541.77
  6. Step 6: Final answer
    x = 79,562,866.53

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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.