Home / 76,668,487,559.51-115,005,074,211.67-26,303,214,861.61

Finding the Fourth Proportional to 76,668,487,559.51, 115,005,074,211.67 and 26,303,214,861.61

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Solution

The fourth proportional to 76,668,487,559.51, 115,005,074,211.67 and 26,303,214,861.61 is: 39,455,626,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668,487,559.51 : 115,005,074,211.67 = 26,303,214,861.61 : x
  2. Step 2: Convert to fraction form
    76,668,487,559.51/115,005,074,211.67 = 26,303,214,861.61/x
  3. Step 3: Cross multiply
    76,668,487,559.51x = 115,005,074,211.67 × 26,303,214,861.61
  4. Step 4: Simplify right side
    76,668,487,559.51x = 3,025,003,177,164,613,877,760
  5. Step 5: Solve for x
    x = 3,025,003,177,164,613,877,760/76,668,487,559.51
  6. Step 6: Final answer
    x = 39,455,626,078.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.