Home / 200,020,512,933.61-276,021,165,987.36-113,211,218,839.12

Finding the Fourth Proportional to 200,020,512,933.61, 276,021,165,987.36 and 113,211,218,839.12

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Solution

The fourth proportional to 200,020,512,933.61, 276,021,165,987.36 and 113,211,218,839.12 is: 156,227,439,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,020,512,933.61 : 276,021,165,987.36 = 113,211,218,839.12 : x
  2. Step 2: Convert to fraction form
    200,020,512,933.61/276,021,165,987.36 = 113,211,218,839.12/x
  3. Step 3: Cross multiply
    200,020,512,933.61x = 276,021,165,987.36 × 113,211,218,839.12
  4. Step 4: Simplify right side
    200,020,512,933.61x = 31,248,692,626,824,076,722,176
  5. Step 5: Solve for x
    x = 31,248,692,626,824,076,722,176/200,020,512,933.61
  6. Step 6: Final answer
    x = 156,227,439,718.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.