Home / 210,624,310.40-315,936,465.60-176,612,086.40

Finding the Fourth Proportional to 210,624,310.40, 315,936,465.60 and 176,612,086.40

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Solution

The fourth proportional to 210,624,310.40, 315,936,465.60 and 176,612,086.40 is: 264,918,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,624,310.40 : 315,936,465.60 = 176,612,086.40 : x
  2. Step 2: Convert to fraction form
    210,624,310.40/315,936,465.60 = 176,612,086.40/x
  3. Step 3: Cross multiply
    210,624,310.40x = 315,936,465.60 × 176,612,086.40
  4. Step 4: Simplify right side
    210,624,310.40x = 55,798,198,359,457,832
  5. Step 5: Solve for x
    x = 55,798,198,359,457,832/210,624,310.40
  6. Step 6: Final answer
    x = 264,918,129.60

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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.