Home / 199,705,715.20-299,558,572.80-165,068,300.80

Finding the Fourth Proportional to 199,705,715.20, 299,558,572.80 and 165,068,300.80

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Solution

The fourth proportional to 199,705,715.20, 299,558,572.80 and 165,068,300.80 is: 247,602,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,705,715.20 : 299,558,572.80 = 165,068,300.80 : x
  2. Step 2: Convert to fraction form
    199,705,715.20/299,558,572.80 = 165,068,300.80/x
  3. Step 3: Cross multiply
    199,705,715.20x = 299,558,572.80 × 165,068,300.80
  4. Step 4: Simplify right side
    199,705,715.20x = 49,447,624,602,169,104
  5. Step 5: Solve for x
    x = 49,447,624,602,169,104/199,705,715.20
  6. Step 6: Final answer
    x = 247,602,451.20

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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.