Home / 87,206,639,066.64-130,833,212,805.72-31,309,610,913.72

Finding the Fourth Proportional to 87,206,639,066.64, 130,833,212,805.72 and 31,309,610,913.72

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Solution

The fourth proportional to 87,206,639,066.64, 130,833,212,805.72 and 31,309,610,913.72 is: 46,972,765,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,206,639,066.64 : 130,833,212,805.72 = 31,309,610,913.72 : x
  2. Step 2: Convert to fraction form
    87,206,639,066.64/130,833,212,805.72 = 31,309,610,913.72/x
  3. Step 3: Cross multiply
    87,206,639,066.64x = 130,833,212,805.72 × 31,309,610,913.72
  4. Step 4: Simplify right side
    87,206,639,066.64x = 4,096,336,987,539,022,282,752
  5. Step 5: Solve for x
    x = 4,096,336,987,539,022,282,752/87,206,639,066.64
  6. Step 6: Final answer
    x = 46,972,765,277.75

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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.