Home / 73,993,438,981.37-102,111,021,365.65-40,160,741,065.58

Finding the Fourth Proportional to 73,993,438,981.37, 102,111,021,365.65 and 40,160,741,065.58

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Solution

The fourth proportional to 73,993,438,981.37, 102,111,021,365.65 and 40,160,741,065.58 is: 55,421,863,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,993,438,981.37 : 102,111,021,365.65 = 40,160,741,065.58 : x
  2. Step 2: Convert to fraction form
    73,993,438,981.37/102,111,021,365.65 = 40,160,741,065.58/x
  3. Step 3: Cross multiply
    73,993,438,981.37x = 102,111,021,365.65 × 40,160,741,065.58
  4. Step 4: Simplify right side
    73,993,438,981.37x = 4,100,854,289,007,265,710,080
  5. Step 5: Solve for x
    x = 4,100,854,289,007,265,710,080/73,993,438,981.37
  6. Step 6: Final answer
    x = 55,421,863,687.67

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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.