Home / 42,492,858.60-63,833,766.30-40,886,725.80

Finding the Fourth Proportional to 42,492,858.60, 63,833,766.30 and 40,886,725.80

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Solution

The fourth proportional to 42,492,858.60, 63,833,766.30 and 40,886,725.80 is: 61,420,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,858.60 : 63,833,766.30 = 40,886,725.80 : x
  2. Step 2: Convert to fraction form
    42,492,858.60/63,833,766.30 = 40,886,725.80/x
  3. Step 3: Cross multiply
    42,492,858.60x = 63,833,766.30 × 40,886,725.80
  4. Step 4: Simplify right side
    42,492,858.60x = 2,609,953,699,489,380
  5. Step 5: Solve for x
    x = 2,609,953,699,489,380/42,492,858.60
  6. Step 6: Final answer
    x = 61,420,996.03

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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.