Home / 105,469,969,409.02-145,561,035,496.18-62,650,621,455.67

Finding the Fourth Proportional to 105,469,969,409.02, 145,561,035,496.18 and 62,650,621,455.67

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Solution

The fourth proportional to 105,469,969,409.02, 145,561,035,496.18 and 62,650,621,455.67 is: 86,465,269,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469,969,409.02 : 145,561,035,496.18 = 62,650,621,455.67 : x
  2. Step 2: Convert to fraction form
    105,469,969,409.02/145,561,035,496.18 = 62,650,621,455.67/x
  3. Step 3: Cross multiply
    105,469,969,409.02x = 145,561,035,496.18 × 62,650,621,455.67
  4. Step 4: Simplify right side
    105,469,969,409.02x = 9,119,489,333,566,516,494,336
  5. Step 5: Solve for x
    x = 9,119,489,333,566,516,494,336/105,469,969,409.02
  6. Step 6: Final answer
    x = 86,465,269,542.28

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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.