Home / 159,241,435,670.05-219,753,172,820.40-85,997,659,326.06

Finding the Fourth Proportional to 159,241,435,670.05, 219,753,172,820.40 and 85,997,659,326.06

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Solution

The fourth proportional to 159,241,435,670.05, 219,753,172,820.40 and 85,997,659,326.06 is: 118,676,765,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241,435,670.05 : 219,753,172,820.40 = 85,997,659,326.06 : x
  2. Step 2: Convert to fraction form
    159,241,435,670.05/219,753,172,820.40 = 85,997,659,326.06/x
  3. Step 3: Cross multiply
    159,241,435,670.05x = 219,753,172,820.40 × 85,997,659,326.06
  4. Step 4: Simplify right side
    159,241,435,670.05x = 18,898,258,492,029,547,839,488
  5. Step 5: Solve for x
    x = 18,898,258,492,029,547,839,488/159,241,435,670.05
  6. Step 6: Final answer
    x = 118,676,765,331.27

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1.5x scale

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.