Home / 42,123,814.80-63,185,722.20-34,471,064.40

Finding the Fourth Proportional to 42,123,814.80, 63,185,722.20 and 34,471,064.40

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Solution

The fourth proportional to 42,123,814.80, 63,185,722.20 and 34,471,064.40 is: 51,706,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,123,814.80 : 63,185,722.20 = 34,471,064.40 : x
  2. Step 2: Convert to fraction form
    42,123,814.80/63,185,722.20 = 34,471,064.40/x
  3. Step 3: Cross multiply
    42,123,814.80x = 63,185,722.20 × 34,471,064.40
  4. Step 4: Simplify right side
    42,123,814.80x = 2,178,079,099,116,709.75
  5. Step 5: Solve for x
    x = 2,178,079,099,116,709.75/42,123,814.80
  6. Step 6: Final answer
    x = 51,706,596.60

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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.