Home / 193,314,815.60-289,972,223.40-65,663,999.60

Finding the Fourth Proportional to 193,314,815.60, 289,972,223.40 and 65,663,999.60

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Solution

The fourth proportional to 193,314,815.60, 289,972,223.40 and 65,663,999.60 is: 98,495,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,314,815.60 : 289,972,223.40 = 65,663,999.60 : x
  2. Step 2: Convert to fraction form
    193,314,815.60/289,972,223.40 = 65,663,999.60/x
  3. Step 3: Cross multiply
    193,314,815.60x = 289,972,223.40 × 65,663,999.60
  4. Step 4: Simplify right side
    193,314,815.60x = 19,040,735,961,348,708
  5. Step 5: Solve for x
    x = 19,040,735,961,348,708/193,314,815.60
  6. Step 6: Final answer
    x = 98,495,999.40

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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.