Home / 199,284,420.60-299,052,602.10-117,403,140.60

Finding the Fourth Proportional to 199,284,420.60, 299,052,602.10 and 117,403,140.60

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Solution

The fourth proportional to 199,284,420.60, 299,052,602.10 and 117,403,140.60 is: 176,178,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284,420.60 : 299,052,602.10 = 117,403,140.60 : x
  2. Step 2: Convert to fraction form
    199,284,420.60/299,052,602.10 = 117,403,140.60/x
  3. Step 3: Cross multiply
    199,284,420.60x = 299,052,602.10 × 117,403,140.60
  4. Step 4: Simplify right side
    199,284,420.60x = 35,109,714,691,142,156
  5. Step 5: Solve for x
    x = 35,109,714,691,142,156/199,284,420.60
  6. Step 6: Final answer
    x = 176,178,923.50

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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.