Home / 55,368,764.10-83,045,272.95-18,978,833.70

Finding the Fourth Proportional to 55,368,764.10, 83,045,272.95 and 18,978,833.70

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Solution

The fourth proportional to 55,368,764.10, 83,045,272.95 and 18,978,833.70 is: 28,465,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368,764.10 : 83,045,272.95 = 18,978,833.70 : x
  2. Step 2: Convert to fraction form
    55,368,764.10/83,045,272.95 = 18,978,833.70/x
  3. Step 3: Cross multiply
    55,368,764.10x = 83,045,272.95 × 18,978,833.70
  4. Step 4: Simplify right side
    55,368,764.10x = 1,576,102,424,889,158.50
  5. Step 5: Solve for x
    x = 1,576,102,424,889,158.50/55,368,764.10
  6. Step 6: Final answer
    x = 28,465,551.84

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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.