Home / 190,701,076.80-286,051,615.20-47,093,908.80

Finding the Fourth Proportional to 190,701,076.80, 286,051,615.20 and 47,093,908.80

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Solution

The fourth proportional to 190,701,076.80, 286,051,615.20 and 47,093,908.80 is: 70,640,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,701,076.80 : 286,051,615.20 = 47,093,908.80 : x
  2. Step 2: Convert to fraction form
    190,701,076.80/286,051,615.20 = 47,093,908.80/x
  3. Step 3: Cross multiply
    190,701,076.80x = 286,051,615.20 × 47,093,908.80
  4. Step 4: Simplify right side
    190,701,076.80x = 13,471,288,678,321,492
  5. Step 5: Solve for x
    x = 13,471,288,678,321,492/190,701,076.80
  6. Step 6: Final answer
    x = 70,640,863.20

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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.