Home / 112,567,351.21-168,880,138.43-65,920,228.18

Finding the Fourth Proportional to 112,567,351.21, 168,880,138.43 and 65,920,228.18

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Solution

The fourth proportional to 112,567,351.21, 168,880,138.43 and 65,920,228.18 is: 98,897,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,567,351.21 : 168,880,138.43 = 65,920,228.18 : x
  2. Step 2: Convert to fraction form
    112,567,351.21/168,880,138.43 = 65,920,228.18/x
  3. Step 3: Cross multiply
    112,567,351.21x = 168,880,138.43 × 65,920,228.18
  4. Step 4: Simplify right side
    112,567,351.21x = 11,132,617,259,623,786
  5. Step 5: Solve for x
    x = 11,132,617,259,623,786/112,567,351.21
  6. Step 6: Final answer
    x = 98,897,390.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.