Home / 268,272,828.80-402,409,243.20-181,541,657.60

Finding the Fourth Proportional to 268,272,828.80, 402,409,243.20 and 181,541,657.60

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Solution

The fourth proportional to 268,272,828.80, 402,409,243.20 and 181,541,657.60 is: 272,312,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,828.80 : 402,409,243.20 = 181,541,657.60 : x
  2. Step 2: Convert to fraction form
    268,272,828.80/402,409,243.20 = 181,541,657.60/x
  3. Step 3: Cross multiply
    268,272,828.80x = 402,409,243.20 × 181,541,657.60
  4. Step 4: Simplify right side
    268,272,828.80x = 73,054,041,044,089,520
  5. Step 5: Solve for x
    x = 73,054,041,044,089,520/268,272,828.80
  6. Step 6: Final answer
    x = 272,312,486.40

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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.