Home / 142,326,914.60-213,525,363.90-40,089,621.80

Finding the Fourth Proportional to 142,326,914.60, 213,525,363.90 and 40,089,621.80

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Solution

The fourth proportional to 142,326,914.60, 213,525,363.90 and 40,089,621.80 is: 60,144,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326,914.60 : 213,525,363.90 = 40,089,621.80 : x
  2. Step 2: Convert to fraction form
    142,326,914.60/213,525,363.90 = 40,089,621.80/x
  3. Step 3: Cross multiply
    142,326,914.60x = 213,525,363.90 × 40,089,621.80
  4. Step 4: Simplify right side
    142,326,914.60x = 8,560,151,083,458,373
  5. Step 5: Solve for x
    x = 8,560,151,083,458,373/142,326,914.60
  6. Step 6: Final answer
    x = 60,144,288.99

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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.