Home / 69,629,060.21-96,083,890.93-38,688,171.53

Finding the Fourth Proportional to 69,629,060.21, 96,083,890.93 and 38,688,171.53

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Solution

The fourth proportional to 69,629,060.21, 96,083,890.93 and 38,688,171.53 is: 53,387,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,629,060.21 : 96,083,890.93 = 38,688,171.53 : x
  2. Step 2: Convert to fraction form
    69,629,060.21/96,083,890.93 = 38,688,171.53/x
  3. Step 3: Cross multiply
    69,629,060.21x = 96,083,890.93 × 38,688,171.53
  4. Step 4: Simplify right side
    69,629,060.21x = 3,717,310,053,713,140
  5. Step 5: Solve for x
    x = 3,717,310,053,713,140/69,629,060.21
  6. Step 6: Final answer
    x = 53,387,336.30

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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.