Home / 188,943,055,649.81-283,616,269,428.21-81,430,384,729.47

Finding the Fourth Proportional to 188,943,055,649.81, 283,616,269,428.21 and 81,430,384,729.47

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Solution

The fourth proportional to 188,943,055,649.81, 283,616,269,428.21 and 81,430,384,729.47 is: 122,232,499,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943,055,649.81 : 283,616,269,428.21 = 81,430,384,729.47 : x
  2. Step 2: Convert to fraction form
    188,943,055,649.81/283,616,269,428.21 = 81,430,384,729.47/x
  3. Step 3: Cross multiply
    188,943,055,649.81x = 283,616,269,428.21 × 81,430,384,729.47
  4. Step 4: Simplify right side
    188,943,055,649.81x = 23,094,981,935,074,744,729,600
  5. Step 5: Solve for x
    x = 23,094,981,935,074,744,729,600/188,943,055,649.81
  6. Step 6: Final answer
    x = 122,232,499,393.25

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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.