Home / 140,779,814.68-210,897,339.54-79,181,816.98

Finding the Fourth Proportional to 140,779,814.68, 210,897,339.54 and 79,181,816.98

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Solution

The fourth proportional to 140,779,814.68, 210,897,339.54 and 79,181,816.98 is: 118,619,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,779,814.68 : 210,897,339.54 = 79,181,816.98 : x
  2. Step 2: Convert to fraction form
    140,779,814.68/210,897,339.54 = 79,181,816.98/x
  3. Step 3: Cross multiply
    140,779,814.68x = 210,897,339.54 × 79,181,816.98
  4. Step 4: Simplify right side
    140,779,814.68x = 16,699,234,541,025,198
  5. Step 5: Solve for x
    x = 16,699,234,541,025,198/140,779,814.68
  6. Step 6: Final answer
    x = 118,619,523.54

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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.