Home / 98,319,327,421.13-135,679,227,878.34-54,916,245,693.77

Finding the Fourth Proportional to 98,319,327,421.13, 135,679,227,878.34 and 54,916,245,693.77

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Solution

The fourth proportional to 98,319,327,421.13, 135,679,227,878.34 and 54,916,245,693.77 is: 75,783,612,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,319,327,421.13 : 135,679,227,878.34 = 54,916,245,693.77 : x
  2. Step 2: Convert to fraction form
    98,319,327,421.13/135,679,227,878.34 = 54,916,245,693.77/x
  3. Step 3: Cross multiply
    98,319,327,421.13x = 135,679,227,878.34 × 54,916,245,693.77
  4. Step 4: Simplify right side
    98,319,327,421.13x = 7,450,993,813,707,927,060,480
  5. Step 5: Solve for x
    x = 7,450,993,813,707,927,060,480/98,319,327,421.13
  6. Step 6: Final answer
    x = 75,783,612,532.18

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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.