Home / 286,055,001.77-428,864,255.71-130,500,023.60

Finding the Fourth Proportional to 286,055,001.77, 428,864,255.71 and 130,500,023.60

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Solution

The fourth proportional to 286,055,001.77, 428,864,255.71 and 130,500,023.60 is: 195,650,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,055,001.77 : 428,864,255.71 = 130,500,023.60 : x
  2. Step 2: Convert to fraction form
    286,055,001.77/428,864,255.71 = 130,500,023.60/x
  3. Step 3: Cross multiply
    286,055,001.77x = 428,864,255.71 × 130,500,023.60
  4. Step 4: Simplify right side
    286,055,001.77x = 55,966,795,492,094,736
  5. Step 5: Solve for x
    x = 55,966,795,492,094,736/286,055,001.77
  6. Step 6: Final answer
    x = 195,650,469.83

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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.