Home / 65,362,118.40-98,043,177.60-43,443,129.60

Finding the Fourth Proportional to 65,362,118.40, 98,043,177.60 and 43,443,129.60

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Solution

The fourth proportional to 65,362,118.40, 98,043,177.60 and 43,443,129.60 is: 65,164,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,362,118.40 : 98,043,177.60 = 43,443,129.60 : x
  2. Step 2: Convert to fraction form
    65,362,118.40/98,043,177.60 = 43,443,129.60/x
  3. Step 3: Cross multiply
    65,362,118.40x = 98,043,177.60 × 43,443,129.60
  4. Step 4: Simplify right side
    65,362,118.40x = 4,259,302,470,872,617
  5. Step 5: Solve for x
    x = 4,259,302,470,872,617/65,362,118.40
  6. Step 6: Final answer
    x = 65,164,694.40

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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.