Home / 108,202,348.88-162,328,407-35,421,477.20

Finding the Fourth Proportional to 108,202,348.88, 162,328,407 and 35,421,477.20

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Solution

The fourth proportional to 108,202,348.88, 162,328,407 and 35,421,477.20 is: 53,140,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,202,348.88 : 162,328,407 = 35,421,477.20 : x
  2. Step 2: Convert to fraction form
    108,202,348.88/162,328,407 = 35,421,477.20/x
  3. Step 3: Cross multiply
    108,202,348.88x = 162,328,407 × 35,421,477.20
  4. Step 4: Simplify right side
    108,202,348.88x = 5,749,911,967,462,821
  5. Step 5: Solve for x
    x = 5,749,911,967,462,821/108,202,348.88
  6. Step 6: Final answer
    x = 53,140,361.80

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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.