Home / 199,326,218.40-298,989,327.60-117,360,957.60

Finding the Fourth Proportional to 199,326,218.40, 298,989,327.60 and 117,360,957.60

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Solution

The fourth proportional to 199,326,218.40, 298,989,327.60 and 117,360,957.60 is: 176,041,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326,218.40 : 298,989,327.60 = 117,360,957.60 : x
  2. Step 2: Convert to fraction form
    199,326,218.40/298,989,327.60 = 117,360,957.60/x
  3. Step 3: Cross multiply
    199,326,218.40x = 298,989,327.60 × 117,360,957.60
  4. Step 4: Simplify right side
    199,326,218.40x = 35,089,673,799,316,112
  5. Step 5: Solve for x
    x = 35,089,673,799,316,112/199,326,218.40
  6. Step 6: Final answer
    x = 176,041,436.40

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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.