Home / 142,958,803.20-214,438,204.80-119,150,246.40

Finding the Fourth Proportional to 142,958,803.20, 214,438,204.80 and 119,150,246.40

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Solution

The fourth proportional to 142,958,803.20, 214,438,204.80 and 119,150,246.40 is: 178,725,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,958,803.20 : 214,438,204.80 = 119,150,246.40 : x
  2. Step 2: Convert to fraction form
    142,958,803.20/214,438,204.80 = 119,150,246.40/x
  3. Step 3: Cross multiply
    142,958,803.20x = 214,438,204.80 × 119,150,246.40
  4. Step 4: Simplify right side
    142,958,803.20x = 25,550,364,939,493,664
  5. Step 5: Solve for x
    x = 25,550,364,939,493,664/142,958,803.20
  6. Step 6: Final answer
    x = 178,725,369.60

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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.