Home / 137,030,694,142.07-205,545,212,165.15-74,543,117,344.68

Finding the Fourth Proportional to 137,030,694,142.07, 205,545,212,165.15 and 74,543,117,344.68

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Solution

The fourth proportional to 137,030,694,142.07, 205,545,212,165.15 and 74,543,117,344.68 is: 111,814,225,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,030,694,142.07 : 205,545,212,165.15 = 74,543,117,344.68 : x
  2. Step 2: Convert to fraction form
    137,030,694,142.07/205,545,212,165.15 = 74,543,117,344.68/x
  3. Step 3: Cross multiply
    137,030,694,142.07x = 205,545,212,165.15 × 74,543,117,344.68
  4. Step 4: Simplify right side
    137,030,694,142.07x = 15,321,980,870,062,896,054,272
  5. Step 5: Solve for x
    x = 15,321,980,870,062,896,054,272/137,030,694,142.07
  6. Step 6: Final answer
    x = 111,814,225,024.49

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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.