Home / 272,708,878.97-376,327,380.08-153,628,697.27

Finding the Fourth Proportional to 272,708,878.97, 376,327,380.08 and 153,628,697.27

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Solution

The fourth proportional to 272,708,878.97, 376,327,380.08 and 153,628,697.27 is: 212,001,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,708,878.97 : 376,327,380.08 = 153,628,697.27 : x
  2. Step 2: Convert to fraction form
    272,708,878.97/376,327,380.08 = 153,628,697.27/x
  3. Step 3: Cross multiply
    272,708,878.97x = 376,327,380.08 × 153,628,697.27
  4. Step 4: Simplify right side
    272,708,878.97x = 57,814,685,146,072,760
  5. Step 5: Solve for x
    x = 57,814,685,146,072,760/272,708,878.97
  6. Step 6: Final answer
    x = 212,001,477.05

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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.