Home / 162,415,231.20-243,622,846.80-80,502,458.40

Finding the Fourth Proportional to 162,415,231.20, 243,622,846.80 and 80,502,458.40

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Solution

The fourth proportional to 162,415,231.20, 243,622,846.80 and 80,502,458.40 is: 120,753,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,415,231.20 : 243,622,846.80 = 80,502,458.40 : x
  2. Step 2: Convert to fraction form
    162,415,231.20/243,622,846.80 = 80,502,458.40/x
  3. Step 3: Cross multiply
    162,415,231.20x = 243,622,846.80 × 80,502,458.40
  4. Step 4: Simplify right side
    162,415,231.20x = 19,612,238,089,806,576
  5. Step 5: Solve for x
    x = 19,612,238,089,806,576/162,415,231.20
  6. Step 6: Final answer
    x = 120,753,687.60

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1.5x scale

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.