Home / 249,642,615.60-373,734,016.20-177,978,999.60

Finding the Fourth Proportional to 249,642,615.60, 373,734,016.20 and 177,978,999.60

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Solution

The fourth proportional to 249,642,615.60, 373,734,016.20 and 177,978,999.60 is: 266,448,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,642,615.60 : 373,734,016.20 = 177,978,999.60 : x
  2. Step 2: Convert to fraction form
    249,642,615.60/373,734,016.20 = 177,978,999.60/x
  3. Step 3: Cross multiply
    249,642,615.60x = 373,734,016.20 × 177,978,999.60
  4. Step 4: Simplify right side
    249,642,615.60x = 66,516,806,319,766,192
  5. Step 5: Solve for x
    x = 66,516,806,319,766,192/249,642,615.60
  6. Step 6: Final answer
    x = 266,448,122.89

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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.