Home / 110,592,987.20-165,889,480.80-105,554,139.20

Finding the Fourth Proportional to 110,592,987.20, 165,889,480.80 and 105,554,139.20

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Solution

The fourth proportional to 110,592,987.20, 165,889,480.80 and 105,554,139.20 is: 158,331,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,592,987.20 : 165,889,480.80 = 105,554,139.20 : x
  2. Step 2: Convert to fraction form
    110,592,987.20/165,889,480.80 = 105,554,139.20/x
  3. Step 3: Cross multiply
    110,592,987.20x = 165,889,480.80 × 105,554,139.20
  4. Step 4: Simplify right side
    110,592,987.20x = 17,510,321,348,178,930
  5. Step 5: Solve for x
    x = 17,510,321,348,178,930/110,592,987.20
  6. Step 6: Final answer
    x = 158,331,208.80

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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.