Home / 58,243,243.40-87,364,865.10-19,899,009.80

Finding the Fourth Proportional to 58,243,243.40, 87,364,865.10 and 19,899,009.80

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Solution

The fourth proportional to 58,243,243.40, 87,364,865.10 and 19,899,009.80 is: 29,848,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,243,243.40 : 87,364,865.10 = 19,899,009.80 : x
  2. Step 2: Convert to fraction form
    58,243,243.40/87,364,865.10 = 19,899,009.80/x
  3. Step 3: Cross multiply
    58,243,243.40x = 87,364,865.10 × 19,899,009.80
  4. Step 4: Simplify right side
    58,243,243.40x = 1,738,474,306,800,578
  5. Step 5: Solve for x
    x = 1,738,474,306,800,578/58,243,243.40
  6. Step 6: Final answer
    x = 29,848,514.70

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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.