Home / 85,530,234.15-118,034,212.50-48,359,715.93

Finding the Fourth Proportional to 85,530,234.15, 118,034,212.50 and 48,359,715.93

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Solution

The fourth proportional to 85,530,234.15, 118,034,212.50 and 48,359,715.93 is: 66,737,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,530,234.15 : 118,034,212.50 = 48,359,715.93 : x
  2. Step 2: Convert to fraction form
    85,530,234.15/118,034,212.50 = 48,359,715.93/x
  3. Step 3: Cross multiply
    85,530,234.15x = 118,034,212.50 × 48,359,715.93
  4. Step 4: Simplify right side
    85,530,234.15x = 5,708,100,986,521,255
  5. Step 5: Solve for x
    x = 5,708,100,986,521,255/85,530,234.15
  6. Step 6: Final answer
    x = 66,737,815.50

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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.