Home / 69,074,404,003.10-103,611,606,004.65-64,115,421,743.90

Finding the Fourth Proportional to 69,074,404,003.10, 103,611,606,004.65 and 64,115,421,743.90

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Solution

The fourth proportional to 69,074,404,003.10, 103,611,606,004.65 and 64,115,421,743.90 is: 96,173,132,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074,404,003.10 : 103,611,606,004.65 = 64,115,421,743.90 : x
  2. Step 2: Convert to fraction form
    69,074,404,003.10/103,611,606,004.65 = 64,115,421,743.90/x
  3. Step 3: Cross multiply
    69,074,404,003.10x = 103,611,606,004.65 × 64,115,421,743.90
  4. Step 4: Simplify right side
    69,074,404,003.10x = 6,643,101,816,550,936,543,232
  5. Step 5: Solve for x
    x = 6,643,101,816,550,936,543,232/69,074,404,003.10
  6. Step 6: Final answer
    x = 96,173,132,615.85

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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.