Home / 209,843,364.48-289,583,280-117,023,976.96

Finding the Fourth Proportional to 209,843,364.48, 289,583,280 and 117,023,976.96

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Solution

The fourth proportional to 209,843,364.48, 289,583,280 and 117,023,976.96 is: 161,492,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,843,364.48 : 289,583,280 = 117,023,976.96 : x
  2. Step 2: Convert to fraction form
    209,843,364.48/289,583,280 = 117,023,976.96/x
  3. Step 3: Cross multiply
    209,843,364.48x = 289,583,280 × 117,023,976.96
  4. Step 4: Simplify right side
    209,843,364.48x = 33,888,187,086,721,228
  5. Step 5: Solve for x
    x = 33,888,187,086,721,228/209,843,364.48
  6. Step 6: Final answer
    x = 161,492,774.24

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1.5x scale

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.