Home / 74,784,330.76-112,191,039.68-28,722,830.26

Finding the Fourth Proportional to 74,784,330.76, 112,191,039.68 and 28,722,830.26

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Solution

The fourth proportional to 74,784,330.76, 112,191,039.68 and 28,722,830.26 is: 43,089,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784,330.76 : 112,191,039.68 = 28,722,830.26 : x
  2. Step 2: Convert to fraction form
    74,784,330.76/112,191,039.68 = 28,722,830.26/x
  3. Step 3: Cross multiply
    74,784,330.76x = 112,191,039.68 × 28,722,830.26
  4. Step 4: Simplify right side
    74,784,330.76x = 3,222,444,189,421,565
  5. Step 5: Solve for x
    x = 3,222,444,189,421,565/74,784,330.76
  6. Step 6: Final answer
    x = 43,089,831.21

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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.