Home / 78,877,367.10-118,325,266.65-25,030,122.30

Finding the Fourth Proportional to 78,877,367.10, 118,325,266.65 and 25,030,122.30

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Solution

The fourth proportional to 78,877,367.10, 118,325,266.65 and 25,030,122.30 is: 37,548,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,877,367.10 : 118,325,266.65 = 25,030,122.30 : x
  2. Step 2: Convert to fraction form
    78,877,367.10/118,325,266.65 = 25,030,122.30/x
  3. Step 3: Cross multiply
    78,877,367.10x = 118,325,266.65 × 25,030,122.30
  4. Step 4: Simplify right side
    78,877,367.10x = 2,961,695,895,429,611.50
  5. Step 5: Solve for x
    x = 2,961,695,895,429,611.50/78,877,367.10
  6. Step 6: Final answer
    x = 37,548,107.96

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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.