Home / 199,047,370.40-298,571,055.60-165,035,146.40

Finding the Fourth Proportional to 199,047,370.40, 298,571,055.60 and 165,035,146.40

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Solution

The fourth proportional to 199,047,370.40, 298,571,055.60 and 165,035,146.40 is: 247,552,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,047,370.40 : 298,571,055.60 = 165,035,146.40 : x
  2. Step 2: Convert to fraction form
    199,047,370.40/298,571,055.60 = 165,035,146.40/x
  3. Step 3: Cross multiply
    199,047,370.40x = 298,571,055.60 × 165,035,146.40
  4. Step 4: Simplify right side
    199,047,370.40x = 49,274,717,871,748,544
  5. Step 5: Solve for x
    x = 49,274,717,871,748,544/199,047,370.40
  6. Step 6: Final answer
    x = 247,552,719.60

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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.