Home / 53,706,374.39-74,123,685.21-31,685,257.55

Finding the Fourth Proportional to 53,706,374.39, 74,123,685.21 and 31,685,257.55

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Solution

The fourth proportional to 53,706,374.39, 74,123,685.21 and 31,685,257.55 is: 43,730,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,706,374.39 : 74,123,685.21 = 31,685,257.55 : x
  2. Step 2: Convert to fraction form
    53,706,374.39/74,123,685.21 = 31,685,257.55/x
  3. Step 3: Cross multiply
    53,706,374.39x = 74,123,685.21 × 31,685,257.55
  4. Step 4: Simplify right side
    53,706,374.39x = 2,348,628,056,063,357.50
  5. Step 5: Solve for x
    x = 2,348,628,056,063,357.50/53,706,374.39
  6. Step 6: Final answer
    x = 43,730,899.41

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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.