Home / 110,717,009.20-166,075,513.80-108,803,821.60

Finding the Fourth Proportional to 110,717,009.20, 166,075,513.80 and 108,803,821.60

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Solution

The fourth proportional to 110,717,009.20, 166,075,513.80 and 108,803,821.60 is: 163,205,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,009.20 : 166,075,513.80 = 108,803,821.60 : x
  2. Step 2: Convert to fraction form
    110,717,009.20/166,075,513.80 = 108,803,821.60/x
  3. Step 3: Cross multiply
    110,717,009.20x = 166,075,513.80 × 108,803,821.60
  4. Step 4: Simplify right side
    110,717,009.20x = 18,069,650,575,623,540
  5. Step 5: Solve for x
    x = 18,069,650,575,623,540/110,717,009.20
  6. Step 6: Final answer
    x = 163,205,732.40

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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.