Home / 130,698,383.60-196,089,565.80-87,616,233.20

Finding the Fourth Proportional to 130,698,383.60, 196,089,565.80 and 87,616,233.20

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Solution

The fourth proportional to 130,698,383.60, 196,089,565.80 and 87,616,233.20 is: 131,452,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,698,383.60 : 196,089,565.80 = 87,616,233.20 : x
  2. Step 2: Convert to fraction form
    130,698,383.60/196,089,565.80 = 87,616,233.20/x
  3. Step 3: Cross multiply
    130,698,383.60x = 196,089,565.80 × 87,616,233.20
  4. Step 4: Simplify right side
    130,698,383.60x = 17,180,629,125,219,546
  5. Step 5: Solve for x
    x = 17,180,629,125,219,546/130,698,383.60
  6. Step 6: Final answer
    x = 131,452,498.89

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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.