Home / 128,736,194.10-192,954,991.95-52,008,846.90

Finding the Fourth Proportional to 128,736,194.10, 192,954,991.95 and 52,008,846.90

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Solution

The fourth proportional to 128,736,194.10, 192,954,991.95 and 52,008,846.90 is: 77,952,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736,194.10 : 192,954,991.95 = 52,008,846.90 : x
  2. Step 2: Convert to fraction form
    128,736,194.10/192,954,991.95 = 52,008,846.90/x
  3. Step 3: Cross multiply
    128,736,194.10x = 192,954,991.95 × 52,008,846.90
  4. Step 4: Simplify right side
    128,736,194.10x = 10,035,366,634,918,282
  5. Step 5: Solve for x
    x = 10,035,366,634,918,282/128,736,194.10
  6. Step 6: Final answer
    x = 77,952,954.14

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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.