Home / 217,030,250-299,427,671.40-134,493,919.76

Finding the Fourth Proportional to 217,030,250, 299,427,671.40 and 134,493,919.76

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Solution

The fourth proportional to 217,030,250, 299,427,671.40 and 134,493,919.76 is: 185,555,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,030,250 : 299,427,671.40 = 134,493,919.76 : x
  2. Step 2: Convert to fraction form
    217,030,250/299,427,671.40 = 134,493,919.76/x
  3. Step 3: Cross multiply
    217,030,250x = 299,427,671.40 × 134,493,919.76
  4. Step 4: Simplify right side
    217,030,250x = 40,271,201,211,195,240
  5. Step 5: Solve for x
    x = 40,271,201,211,195,240/217,030,250
  6. Step 6: Final answer
    x = 185,555,705.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.