Home / 98,936,543.80-148,404,815.70-74,383,969.60

Finding the Fourth Proportional to 98,936,543.80, 148,404,815.70 and 74,383,969.60

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Solution

The fourth proportional to 98,936,543.80, 148,404,815.70 and 74,383,969.60 is: 111,575,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936,543.80 : 148,404,815.70 = 74,383,969.60 : x
  2. Step 2: Convert to fraction form
    98,936,543.80/148,404,815.70 = 74,383,969.60/x
  3. Step 3: Cross multiply
    98,936,543.80x = 148,404,815.70 × 74,383,969.60
  4. Step 4: Simplify right side
    98,936,543.80x = 11,038,939,299,522,400
  5. Step 5: Solve for x
    x = 11,038,939,299,522,400/98,936,543.80
  6. Step 6: Final answer
    x = 111,575,954.40

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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.