Home / 219,625,078.61-302,806,842.74-160,785,592.30

Finding the Fourth Proportional to 219,625,078.61, 302,806,842.74 and 160,785,592.30

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Solution

The fourth proportional to 219,625,078.61, 302,806,842.74 and 160,785,592.30 is: 221,682,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,625,078.61 : 302,806,842.74 = 160,785,592.30 : x
  2. Step 2: Convert to fraction form
    219,625,078.61/302,806,842.74 = 160,785,592.30/x
  3. Step 3: Cross multiply
    219,625,078.61x = 302,806,842.74 × 160,785,592.30
  4. Step 4: Simplify right side
    219,625,078.61x = 48,686,977,562,443,864
  5. Step 5: Solve for x
    x = 48,686,977,562,443,864/219,625,078.61
  6. Step 6: Final answer
    x = 221,682,231.69

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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.