Home / 140,779,912.41-210,897,486.27-79,181,914.50

Finding the Fourth Proportional to 140,779,912.41, 210,897,486.27 and 79,181,914.50

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Solution

The fourth proportional to 140,779,912.41, 210,897,486.27 and 79,181,914.50 is: 118,619,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,779,912.41 : 210,897,486.27 = 79,181,914.50 : x
  2. Step 2: Convert to fraction form
    140,779,912.41/210,897,486.27 = 79,181,914.50/x
  3. Step 3: Cross multiply
    140,779,912.41x = 210,897,486.27 × 79,181,914.50
  4. Step 4: Simplify right side
    140,779,912.41x = 16,699,266,726,096,064
  5. Step 5: Solve for x
    x = 16,699,266,726,096,064/140,779,912.41
  6. Step 6: Final answer
    x = 118,619,669.81

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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.