Home / 74,784,329.76-112,191,038.18-28,722,829.26

Finding the Fourth Proportional to 74,784,329.76, 112,191,038.18 and 28,722,829.26

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Solution

The fourth proportional to 74,784,329.76, 112,191,038.18 and 28,722,829.26 is: 43,089,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784,329.76 : 112,191,038.18 = 28,722,829.26 : x
  2. Step 2: Convert to fraction form
    74,784,329.76/112,191,038.18 = 28,722,829.26/x
  3. Step 3: Cross multiply
    74,784,329.76x = 112,191,038.18 × 28,722,829.26
  4. Step 4: Simplify right side
    74,784,329.76x = 3,222,444,034,146,281.50
  5. Step 5: Solve for x
    x = 3,222,444,034,146,281.50/74,784,329.76
  6. Step 6: Final answer
    x = 43,089,829.71

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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.