Home / 31,210,357.78-43,068,561.33-17,456,664.70

Finding the Fourth Proportional to 31,210,357.78, 43,068,561.33 and 17,456,664.70

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Solution

The fourth proportional to 31,210,357.78, 43,068,561.33 and 17,456,664.70 is: 24,089,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210,357.78 : 43,068,561.33 = 17,456,664.70 : x
  2. Step 2: Convert to fraction form
    31,210,357.78/43,068,561.33 = 17,456,664.70/x
  3. Step 3: Cross multiply
    31,210,357.78x = 43,068,561.33 × 17,456,664.70
  4. Step 4: Simplify right side
    31,210,357.78x = 751,833,434,249,196
  5. Step 5: Solve for x
    x = 751,833,434,249,196/31,210,357.78
  6. Step 6: Final answer
    x = 24,089,228.31

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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.