Home / 153,099,471,825.78-211,276,534,477.53-84,510,284,975.27

Finding the Fourth Proportional to 153,099,471,825.78, 211,276,534,477.53 and 84,510,284,975.27

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Solution

The fourth proportional to 153,099,471,825.78, 211,276,534,477.53 and 84,510,284,975.27 is: 116,623,786,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,099,471,825.78 : 211,276,534,477.53 = 84,510,284,975.27 : x
  2. Step 2: Convert to fraction form
    153,099,471,825.78/211,276,534,477.53 = 84,510,284,975.27/x
  3. Step 3: Cross multiply
    153,099,471,825.78x = 211,276,534,477.53 × 84,510,284,975.27
  4. Step 4: Simplify right side
    153,099,471,825.78x = 17,855,040,137,283,518,857,216
  5. Step 5: Solve for x
    x = 17,855,040,137,283,518,857,216/153,099,471,825.78
  6. Step 6: Final answer
    x = 116,623,786,642.46

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1.5x scale

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.