Home / 199,047,357.40-298,571,036.10-165,035,133.40

Finding the Fourth Proportional to 199,047,357.40, 298,571,036.10 and 165,035,133.40

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Solution

The fourth proportional to 199,047,357.40, 298,571,036.10 and 165,035,133.40 is: 247,552,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,047,357.40 : 298,571,036.10 = 165,035,133.40 : x
  2. Step 2: Convert to fraction form
    199,047,357.40/298,571,036.10 = 165,035,133.40/x
  3. Step 3: Cross multiply
    199,047,357.40x = 298,571,036.10 × 165,035,133.40
  4. Step 4: Simplify right side
    199,047,357.40x = 49,274,710,772,139,720
  5. Step 5: Solve for x
    x = 49,274,710,772,139,720/199,047,357.40
  6. Step 6: Final answer
    x = 247,552,700.10

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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.