Home / 87,653,219.36-121,000,185.12-52,383,466.88

Finding the Fourth Proportional to 87,653,219.36, 121,000,185.12 and 52,383,466.88

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Solution

The fourth proportional to 87,653,219.36, 121,000,185.12 and 52,383,466.88 is: 72,312,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,653,219.36 : 121,000,185.12 = 52,383,466.88 : x
  2. Step 2: Convert to fraction form
    87,653,219.36/121,000,185.12 = 52,383,466.88/x
  3. Step 3: Cross multiply
    87,653,219.36x = 121,000,185.12 × 52,383,466.88
  4. Step 4: Simplify right side
    87,653,219.36x = 6,338,409,189,707,389
  5. Step 5: Solve for x
    x = 6,338,409,189,707,389/87,653,219.36
  6. Step 6: Final answer
    x = 72,312,337.60

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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.