Home / 263,811,782.77-395,721,041.83-69,721,521.10

Finding the Fourth Proportional to 263,811,782.77, 395,721,041.83 and 69,721,521.10

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Solution

The fourth proportional to 263,811,782.77, 395,721,041.83 and 69,721,521.10 is: 104,583,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,811,782.77 : 395,721,041.83 = 69,721,521.10 : x
  2. Step 2: Convert to fraction form
    263,811,782.77/395,721,041.83 = 69,721,521.10/x
  3. Step 3: Cross multiply
    263,811,782.77x = 395,721,041.83 × 69,721,521.10
  4. Step 4: Simplify right side
    263,811,782.77x = 27,590,272,966,500,720
  5. Step 5: Solve for x
    x = 27,590,272,966,500,720/263,811,782.77
  6. Step 6: Final answer
    x = 104,583,171.67

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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.