Home / 151,078,776,094.08-208,491,612,975.92-82,492,908,587.64

Finding the Fourth Proportional to 151,078,776,094.08, 208,491,612,975.92 and 82,492,908,587.64

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Solution

The fourth proportional to 151,078,776,094.08, 208,491,612,975.92 and 82,492,908,587.64 is: 113,841,798,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,078,776,094.08 : 208,491,612,975.92 = 82,492,908,587.64 : x
  2. Step 2: Convert to fraction form
    151,078,776,094.08/208,491,612,975.92 = 82,492,908,587.64/x
  3. Step 3: Cross multiply
    151,078,776,094.08x = 208,491,612,975.92 × 82,492,908,587.64
  4. Step 4: Simplify right side
    151,078,776,094.08x = 17,199,079,570,512,187,228,160
  5. Step 5: Solve for x
    x = 17,199,079,570,512,187,228,160/151,078,776,094.08
  6. Step 6: Final answer
    x = 113,841,798,399.28

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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.