Home / 74,784,355-112,191,076.05-28,722,854.50

Finding the Fourth Proportional to 74,784,355, 112,191,076.05 and 28,722,854.50

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Solution

The fourth proportional to 74,784,355, 112,191,076.05 and 28,722,854.50 is: 43,089,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784,355 : 112,191,076.05 = 28,722,854.50 : x
  2. Step 2: Convert to fraction form
    74,784,355/112,191,076.05 = 28,722,854.50/x
  3. Step 3: Cross multiply
    74,784,355x = 112,191,076.05 × 28,722,854.50
  4. Step 4: Simplify right side
    74,784,355x = 3,222,447,953,582,584.50
  5. Step 5: Solve for x
    x = 3,222,447,953,582,584.50/74,784,355
  6. Step 6: Final answer
    x = 43,089,867.57

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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.