Home / 217,587,931.20-326,098,461.60-88,089,537.60

Finding the Fourth Proportional to 217,587,931.20, 326,098,461.60 and 88,089,537.60

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Solution

The fourth proportional to 217,587,931.20, 326,098,461.60 and 88,089,537.60 is: 132,019,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,587,931.20 : 326,098,461.60 = 88,089,537.60 : x
  2. Step 2: Convert to fraction form
    217,587,931.20/326,098,461.60 = 88,089,537.60/x
  3. Step 3: Cross multiply
    217,587,931.20x = 326,098,461.60 × 88,089,537.60
  4. Step 4: Simplify right side
    217,587,931.20x = 28,725,862,694,415,356
  5. Step 5: Solve for x
    x = 28,725,862,694,415,356/217,587,931.20
  6. Step 6: Final answer
    x = 132,019,558.88

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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.