Home / 342,026,393.71-471,983,778.34-185,390,137.67

Finding the Fourth Proportional to 342,026,393.71, 471,983,778.34 and 185,390,137.67

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Solution

The fourth proportional to 342,026,393.71, 471,983,778.34 and 185,390,137.67 is: 255,831,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,393.71 : 471,983,778.34 = 185,390,137.67 : x
  2. Step 2: Convert to fraction form
    342,026,393.71/471,983,778.34 = 185,390,137.67/x
  3. Step 3: Cross multiply
    342,026,393.71x = 471,983,778.34 × 185,390,137.67
  4. Step 4: Simplify right side
    342,026,393.71x = 87,501,137,643,532,400
  5. Step 5: Solve for x
    x = 87,501,137,643,532,400/342,026,393.71
  6. Step 6: Final answer
    x = 255,831,535.97

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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.