Home / 113,373,005.60-170,059,508.40-90,698,189.60

Finding the Fourth Proportional to 113,373,005.60, 170,059,508.40 and 90,698,189.60

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Solution

The fourth proportional to 113,373,005.60, 170,059,508.40 and 90,698,189.60 is: 136,047,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373,005.60 : 170,059,508.40 = 90,698,189.60 : x
  2. Step 2: Convert to fraction form
    113,373,005.60/170,059,508.40 = 90,698,189.60/x
  3. Step 3: Cross multiply
    113,373,005.60x = 170,059,508.40 × 90,698,189.60
  4. Step 4: Simplify right side
    113,373,005.60x = 15,424,089,536,145,992
  5. Step 5: Solve for x
    x = 15,424,089,536,145,992/113,373,005.60
  6. Step 6: Final answer
    x = 136,047,284.40

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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.