Home / 190,605,529.08-286,029,216.50-81,431,521.22

Finding the Fourth Proportional to 190,605,529.08, 286,029,216.50 and 81,431,521.22

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Solution

The fourth proportional to 190,605,529.08, 286,029,216.50 and 81,431,521.22 is: 122,198,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,605,529.08 : 286,029,216.50 = 81,431,521.22 : x
  2. Step 2: Convert to fraction form
    190,605,529.08/286,029,216.50 = 81,431,521.22/x
  3. Step 3: Cross multiply
    190,605,529.08x = 286,029,216.50 × 81,431,521.22
  4. Step 4: Simplify right side
    190,605,529.08x = 23,291,794,213,267,640
  5. Step 5: Solve for x
    x = 23,291,794,213,267,640/190,605,529.08
  6. Step 6: Final answer
    x = 122,198,943.16

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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.