Home / 190,851,812.80-286,277,719.20-161,290,571.20

Finding the Fourth Proportional to 190,851,812.80, 286,277,719.20 and 161,290,571.20

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Solution

The fourth proportional to 190,851,812.80, 286,277,719.20 and 161,290,571.20 is: 241,935,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851,812.80 : 286,277,719.20 = 161,290,571.20 : x
  2. Step 2: Convert to fraction form
    190,851,812.80/286,277,719.20 = 161,290,571.20/x
  3. Step 3: Cross multiply
    190,851,812.80x = 286,277,719.20 × 161,290,571.20
  4. Step 4: Simplify right side
    190,851,812.80x = 46,173,896,851,601,200
  5. Step 5: Solve for x
    x = 46,173,896,851,601,200/190,851,812.80
  6. Step 6: Final answer
    x = 241,935,856.80

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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.