Home / 91,290,586,623.50-125,928,668,310.30-56,936,650,521.86

Finding the Fourth Proportional to 91,290,586,623.50, 125,928,668,310.30 and 56,936,650,521.86

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Solution

The fourth proportional to 91,290,586,623.50, 125,928,668,310.30 and 56,936,650,521.86 is: 78,539,933,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290,586,623.50 : 125,928,668,310.30 = 56,936,650,521.86 : x
  2. Step 2: Convert to fraction form
    91,290,586,623.50/125,928,668,310.30 = 56,936,650,521.86/x
  3. Step 3: Cross multiply
    91,290,586,623.50x = 125,928,668,310.30 × 56,936,650,521.86
  4. Step 4: Simplify right side
    91,290,586,623.50x = 7,169,956,578,267,281,489,920
  5. Step 5: Solve for x
    x = 7,169,956,578,267,281,489,920/91,290,586,623.50
  6. Step 6: Final answer
    x = 78,539,933,233.61

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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.