Home / 199,052,031.40-298,578,047.10-165,039,807.40

Finding the Fourth Proportional to 199,052,031.40, 298,578,047.10 and 165,039,807.40

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Solution

The fourth proportional to 199,052,031.40, 298,578,047.10 and 165,039,807.40 is: 247,559,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,052,031.40 : 298,578,047.10 = 165,039,807.40 : x
  2. Step 2: Convert to fraction form
    199,052,031.40/298,578,047.10 = 165,039,807.40/x
  3. Step 3: Cross multiply
    199,052,031.40x = 298,578,047.10 × 165,039,807.40
  4. Step 4: Simplify right side
    199,052,031.40x = 49,277,263,387,252,136
  5. Step 5: Solve for x
    x = 49,277,263,387,252,136/199,052,031.40
  6. Step 6: Final answer
    x = 247,559,711.10

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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.