Home / 130,698,436.60-196,089,645.30-87,616,286.20

Finding the Fourth Proportional to 130,698,436.60, 196,089,645.30 and 87,616,286.20

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Solution

The fourth proportional to 130,698,436.60, 196,089,645.30 and 87,616,286.20 is: 131,452,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,698,436.60 : 196,089,645.30 = 87,616,286.20 : x
  2. Step 2: Convert to fraction form
    130,698,436.60/196,089,645.30 = 87,616,286.20/x
  3. Step 3: Cross multiply
    130,698,436.60x = 196,089,645.30 × 87,616,286.20
  4. Step 4: Simplify right side
    130,698,436.60x = 17,180,646,483,461,286
  5. Step 5: Solve for x
    x = 17,180,646,483,461,286/130,698,436.60
  6. Step 6: Final answer
    x = 131,452,578.40

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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.