Home / 190,180,486.80-285,270,730.20-68,996,192.40

Finding the Fourth Proportional to 190,180,486.80, 285,270,730.20 and 68,996,192.40

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Solution

The fourth proportional to 190,180,486.80, 285,270,730.20 and 68,996,192.40 is: 103,494,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,180,486.80 : 285,270,730.20 = 68,996,192.40 : x
  2. Step 2: Convert to fraction form
    190,180,486.80/285,270,730.20 = 68,996,192.40/x
  3. Step 3: Cross multiply
    190,180,486.80x = 285,270,730.20 × 68,996,192.40
  4. Step 4: Simplify right side
    190,180,486.80x = 19,682,594,186,967,692
  5. Step 5: Solve for x
    x = 19,682,594,186,967,692/190,180,486.80
  6. Step 6: Final answer
    x = 103,494,288.60

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1.5x scale

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.