Home / 69,564,816.50-96,011,254.94-40,213,164.22

Finding the Fourth Proportional to 69,564,816.50, 96,011,254.94 and 40,213,164.22

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Solution

The fourth proportional to 69,564,816.50, 96,011,254.94 and 40,213,164.22 is: 55,500,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,564,816.50 : 96,011,254.94 = 40,213,164.22 : x
  2. Step 2: Convert to fraction form
    69,564,816.50/96,011,254.94 = 40,213,164.22/x
  3. Step 3: Cross multiply
    69,564,816.50x = 96,011,254.94 × 40,213,164.22
  4. Step 4: Simplify right side
    69,564,816.50x = 3,860,916,361,429,412.50
  5. Step 5: Solve for x
    x = 3,860,916,361,429,412.50/69,564,816.50
  6. Step 6: Final answer
    x = 55,500,992.54

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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.