Home / 98,023,629.20-147,066,936.60-65,712,016.40

Finding the Fourth Proportional to 98,023,629.20, 147,066,936.60 and 65,712,016.40

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Solution

The fourth proportional to 98,023,629.20, 147,066,936.60 and 65,712,016.40 is: 98,589,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,023,629.20 : 147,066,936.60 = 65,712,016.40 : x
  2. Step 2: Convert to fraction form
    98,023,629.20/147,066,936.60 = 65,712,016.40/x
  3. Step 3: Cross multiply
    98,023,629.20x = 147,066,936.60 × 65,712,016.40
  4. Step 4: Simplify right side
    98,023,629.20x = 9,664,064,949,756,960
  5. Step 5: Solve for x
    x = 9,664,064,949,756,960/98,023,629.20
  6. Step 6: Final answer
    x = 98,589,136.40

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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.