Home / 342,026,401.28-471,983,788.76-185,390,145.24

Finding the Fourth Proportional to 342,026,401.28, 471,983,788.76 and 185,390,145.24

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Solution

The fourth proportional to 342,026,401.28, 471,983,788.76 and 185,390,145.24 is: 255,831,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026,401.28 : 471,983,788.76 = 185,390,145.24 : x
  2. Step 2: Convert to fraction form
    342,026,401.28/471,983,788.76 = 185,390,145.24/x
  3. Step 3: Cross multiply
    342,026,401.28x = 471,983,788.76 × 185,390,145.24
  4. Step 4: Simplify right side
    342,026,401.28x = 87,501,143,149,141,888
  5. Step 5: Solve for x
    x = 87,501,143,149,141,888/342,026,401.28
  6. Step 6: Final answer
    x = 255,831,546.40

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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.