Home / 77,017,433.21-115,563,516.83-33,881,031.65

Finding the Fourth Proportional to 77,017,433.21, 115,563,516.83 and 33,881,031.65

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Solution

The fourth proportional to 77,017,433.21, 115,563,516.83 and 33,881,031.65 is: 50,837,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017,433.21 : 115,563,516.83 = 33,881,031.65 : x
  2. Step 2: Convert to fraction form
    77,017,433.21/115,563,516.83 = 33,881,031.65/x
  3. Step 3: Cross multiply
    77,017,433.21x = 115,563,516.83 × 33,881,031.65
  4. Step 4: Simplify right side
    77,017,433.21x = 3,915,411,170,555,315.50
  5. Step 5: Solve for x
    x = 3,915,411,170,555,315.50/77,017,433.21
  6. Step 6: Final answer
    x = 50,837,985.73

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