Home / 110,988,139.20-166,482,208.80-105,697,348.80

Finding the Fourth Proportional to 110,988,139.20, 166,482,208.80 and 105,697,348.80

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Solution

The fourth proportional to 110,988,139.20, 166,482,208.80 and 105,697,348.80 is: 158,546,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,988,139.20 : 166,482,208.80 = 105,697,348.80 : x
  2. Step 2: Convert to fraction form
    110,988,139.20/166,482,208.80 = 105,697,348.80/x
  3. Step 3: Cross multiply
    110,988,139.20x = 166,482,208.80 × 105,697,348.80
  4. Step 4: Simplify right side
    110,988,139.20x = 17,596,728,092,528,030
  5. Step 5: Solve for x
    x = 17,596,728,092,528,030/110,988,139.20
  6. Step 6: Final answer
    x = 158,546,023.20

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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.