Home / 78,732,003.60-118,098,005.40-44,294,626.80

Finding the Fourth Proportional to 78,732,003.60, 118,098,005.40 and 44,294,626.80

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Solution

The fourth proportional to 78,732,003.60, 118,098,005.40 and 44,294,626.80 is: 66,441,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,003.60 : 118,098,005.40 = 44,294,626.80 : x
  2. Step 2: Convert to fraction form
    78,732,003.60/118,098,005.40 = 44,294,626.80/x
  3. Step 3: Cross multiply
    78,732,003.60x = 118,098,005.40 × 44,294,626.80
  4. Step 4: Simplify right side
    78,732,003.60x = 5,231,107,075,017,385
  5. Step 5: Solve for x
    x = 5,231,107,075,017,385/78,732,003.60
  6. Step 6: Final answer
    x = 66,441,940.20

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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.