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Finding the Fourth Proportional to 286,489,978.48, 429,734,431.22 and 89,768,451.52

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Solution

The fourth proportional to 286,489,978.48, 429,734,431.22 and 89,768,451.52 is: 134,652,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,489,978.48 : 429,734,431.22 = 89,768,451.52 : x
  2. Step 2: Convert to fraction form
    286,489,978.48/429,734,431.22 = 89,768,451.52/x
  3. Step 3: Cross multiply
    286,489,978.48x = 429,734,431.22 × 89,768,451.52
  4. Step 4: Simplify right side
    286,489,978.48x = 38,576,594,455,447,344
  5. Step 5: Solve for x
    x = 38,576,594,455,447,344/286,489,978.48
  6. Step 6: Final answer
    x = 134,652,509.17

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Why These Related Problems?

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