Home / 86,037,469.02-129,094,345.46-45,087,172.00

Finding the Fourth Proportional to 86,037,469.02, 129,094,345.46 and 45,087,172.00

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Solution

The fourth proportional to 86,037,469.02, 129,094,345.46 and 45,087,172.00 is: 67,650,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037,469.02 : 129,094,345.46 = 45,087,172.00 : x
  2. Step 2: Convert to fraction form
    86,037,469.02/129,094,345.46 = 45,087,172.00/x
  3. Step 3: Cross multiply
    86,037,469.02x = 129,094,345.46 × 45,087,172.00
  4. Step 4: Simplify right side
    86,037,469.02x = 5,820,498,957,772,422
  5. Step 5: Solve for x
    x = 5,820,498,957,772,422/86,037,469.02
  6. Step 6: Final answer
    x = 67,650,745.94

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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.