Home / 108,876,556.80-163,314,835.20-89,980,876.80

Finding the Fourth Proportional to 108,876,556.80, 163,314,835.20 and 89,980,876.80

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Solution

The fourth proportional to 108,876,556.80, 163,314,835.20 and 89,980,876.80 is: 134,971,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,556.80 : 163,314,835.20 = 89,980,876.80 : x
  2. Step 2: Convert to fraction form
    108,876,556.80/163,314,835.20 = 89,980,876.80/x
  3. Step 3: Cross multiply
    108,876,556.80x = 163,314,835.20 × 89,980,876.80
  4. Step 4: Simplify right side
    108,876,556.80x = 14,695,212,065,743,502
  5. Step 5: Solve for x
    x = 14,695,212,065,743,502/108,876,556.80
  6. Step 6: Final answer
    x = 134,971,315.20

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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.