Home / 163,633,260.23-225,818,698.21-89,298,620.35

Finding the Fourth Proportional to 163,633,260.23, 225,818,698.21 and 89,298,620.35

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Solution

The fourth proportional to 163,633,260.23, 225,818,698.21 and 89,298,620.35 is: 123,234,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,633,260.23 : 225,818,698.21 = 89,298,620.35 : x
  2. Step 2: Convert to fraction form
    163,633,260.23/225,818,698.21 = 89,298,620.35/x
  3. Step 3: Cross multiply
    163,633,260.23x = 225,818,698.21 × 89,298,620.35
  4. Step 4: Simplify right side
    163,633,260.23x = 20,165,298,200,370,312
  5. Step 5: Solve for x
    x = 20,165,298,200,370,312/163,633,260.23
  6. Step 6: Final answer
    x = 123,234,715.07

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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.