Home / 142,326,915.60-213,525,365.40-40,089,622.80

Finding the Fourth Proportional to 142,326,915.60, 213,525,365.40 and 40,089,622.80

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Solution

The fourth proportional to 142,326,915.60, 213,525,365.40 and 40,089,622.80 is: 60,144,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326,915.60 : 213,525,365.40 = 40,089,622.80 : x
  2. Step 2: Convert to fraction form
    142,326,915.60/213,525,365.40 = 40,089,622.80/x
  3. Step 3: Cross multiply
    142,326,915.60x = 213,525,365.40 × 40,089,622.80
  4. Step 4: Simplify right side
    142,326,915.60x = 8,560,151,357,118,171
  5. Step 5: Solve for x
    x = 8,560,151,357,118,171/142,326,915.60
  6. Step 6: Final answer
    x = 60,144,290.50

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1.5x scale

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.