Home / 78,230,584.60-117,457,851.30-44,218,360.60

Finding the Fourth Proportional to 78,230,584.60, 117,457,851.30 and 44,218,360.60

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Solution

The fourth proportional to 78,230,584.60, 117,457,851.30 and 44,218,360.60 is: 66,390,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,230,584.60 : 117,457,851.30 = 44,218,360.60 : x
  2. Step 2: Convert to fraction form
    78,230,584.60/117,457,851.30 = 44,218,360.60/x
  3. Step 3: Cross multiply
    78,230,584.60x = 117,457,851.30 × 44,218,360.60
  4. Step 4: Simplify right side
    78,230,584.60x = 5,193,793,624,084,579
  5. Step 5: Solve for x
    x = 5,193,793,624,084,579/78,230,584.60
  6. Step 6: Final answer
    x = 66,390,832.32

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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.