Home / 105,576,014.40-158,364,021.60-53,919,949.20

Finding the Fourth Proportional to 105,576,014.40, 158,364,021.60 and 53,919,949.20

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Solution

The fourth proportional to 105,576,014.40, 158,364,021.60 and 53,919,949.20 is: 80,879,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576,014.40 : 158,364,021.60 = 53,919,949.20 : x
  2. Step 2: Convert to fraction form
    105,576,014.40/158,364,021.60 = 53,919,949.20/x
  3. Step 3: Cross multiply
    105,576,014.40x = 158,364,021.60 × 53,919,949.20
  4. Step 4: Simplify right side
    105,576,014.40x = 8,538,979,999,779,703
  5. Step 5: Solve for x
    x = 8,538,979,999,779,703/105,576,014.40
  6. Step 6: Final answer
    x = 80,879,923.80

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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.