Home / 98,319,327,514.43-135,679,228,007.40-54,916,245,787.35

Finding the Fourth Proportional to 98,319,327,514.43, 135,679,228,007.40 and 54,916,245,787.35

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Solution

The fourth proportional to 98,319,327,514.43, 135,679,228,007.40 and 54,916,245,787.35 is: 75,783,612,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,319,327,514.43 : 135,679,228,007.40 = 54,916,245,787.35 : x
  2. Step 2: Convert to fraction form
    98,319,327,514.43/135,679,228,007.40 = 54,916,245,787.35/x
  3. Step 3: Cross multiply
    98,319,327,514.43x = 135,679,228,007.40 × 54,916,245,787.35
  4. Step 4: Simplify right side
    98,319,327,514.43x = 7,450,993,833,492,279,721,984
  5. Step 5: Solve for x
    x = 7,450,993,833,492,279,721,984/98,319,327,514.43
  6. Step 6: Final answer
    x = 75,783,612,661.50

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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.