Home / 200,100,538,081.47-276,130,997,714.16-108,646,995,732.15

Finding the Fourth Proportional to 200,100,538,081.47, 276,130,997,714.16 and 108,646,995,732.15

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Solution

The fourth proportional to 200,100,538,081.47, 276,130,997,714.16 and 108,646,995,732.15 is: 149,928,648,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,100,538,081.47 : 276,130,997,714.16 = 108,646,995,732.15 : x
  2. Step 2: Convert to fraction form
    200,100,538,081.47/276,130,997,714.16 = 108,646,995,732.15/x
  3. Step 3: Cross multiply
    200,100,538,081.47x = 276,130,997,714.16 × 108,646,995,732.15
  4. Step 4: Simplify right side
    200,100,538,081.47x = 30,000,803,330,164,657,225,728
  5. Step 5: Solve for x
    x = 30,000,803,330,164,657,225,728/200,100,538,081.47
  6. Step 6: Final answer
    x = 149,928,648,957.21

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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.