Home / 65,578,727.20-98,368,090.80-20,134,616.80

Finding the Fourth Proportional to 65,578,727.20, 98,368,090.80 and 20,134,616.80

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Solution

The fourth proportional to 65,578,727.20, 98,368,090.80 and 20,134,616.80 is: 30,201,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,578,727.20 : 98,368,090.80 = 20,134,616.80 : x
  2. Step 2: Convert to fraction form
    65,578,727.20/98,368,090.80 = 20,134,616.80/x
  3. Step 3: Cross multiply
    65,578,727.20x = 98,368,090.80 × 20,134,616.80
  4. Step 4: Simplify right side
    65,578,727.20x = 1,980,603,813,605,605.50
  5. Step 5: Solve for x
    x = 1,980,603,813,605,605.50/65,578,727.20
  6. Step 6: Final answer
    x = 30,201,925.20

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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.