Home / 110,287,266.40-165,430,899.60-28,405,986.40

Finding the Fourth Proportional to 110,287,266.40, 165,430,899.60 and 28,405,986.40

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Solution

The fourth proportional to 110,287,266.40, 165,430,899.60 and 28,405,986.40 is: 42,608,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,287,266.40 : 165,430,899.60 = 28,405,986.40 : x
  2. Step 2: Convert to fraction form
    110,287,266.40/165,430,899.60 = 28,405,986.40/x
  3. Step 3: Cross multiply
    110,287,266.40x = 165,430,899.60 × 28,405,986.40
  4. Step 4: Simplify right side
    110,287,266.40x = 4,699,227,884,177,365
  5. Step 5: Solve for x
    x = 4,699,227,884,177,365/110,287,266.40
  6. Step 6: Final answer
    x = 42,608,979.60

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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.