Home / 160,571,899.76-221,590,774.68-87,233,566.64

Finding the Fourth Proportional to 160,571,899.76, 221,590,774.68 and 87,233,566.64

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Solution

The fourth proportional to 160,571,899.76, 221,590,774.68 and 87,233,566.64 is: 120,383,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,571,899.76 : 221,590,774.68 = 87,233,566.64 : x
  2. Step 2: Convert to fraction form
    160,571,899.76/221,590,774.68 = 87,233,566.64/x
  3. Step 3: Cross multiply
    160,571,899.76x = 221,590,774.68 × 87,233,566.64
  4. Step 4: Simplify right side
    160,571,899.76x = 19,330,153,609,857,004
  5. Step 5: Solve for x
    x = 19,330,153,609,857,004/160,571,899.76
  6. Step 6: Final answer
    x = 120,383,165.66

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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.