Home / 140,779,913.41-210,897,487.77-79,181,915.50

Finding the Fourth Proportional to 140,779,913.41, 210,897,487.77 and 79,181,915.50

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Solution

The fourth proportional to 140,779,913.41, 210,897,487.77 and 79,181,915.50 is: 118,619,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,779,913.41 : 210,897,487.77 = 79,181,915.50 : x
  2. Step 2: Convert to fraction form
    140,779,913.41/210,897,487.77 = 79,181,915.50/x
  3. Step 3: Cross multiply
    140,779,913.41x = 210,897,487.77 × 79,181,915.50
  4. Step 4: Simplify right side
    140,779,913.41x = 16,699,267,055,766,424
  5. Step 5: Solve for x
    x = 16,699,267,055,766,424/140,779,913.41
  6. Step 6: Final answer
    x = 118,619,671.31

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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.