Home / 113,797,293.40-170,695,940.10-85,099,479.40

Finding the Fourth Proportional to 113,797,293.40, 170,695,940.10 and 85,099,479.40

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Solution

The fourth proportional to 113,797,293.40, 170,695,940.10 and 85,099,479.40 is: 127,649,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,797,293.40 : 170,695,940.10 = 85,099,479.40 : x
  2. Step 2: Convert to fraction form
    113,797,293.40/170,695,940.10 = 85,099,479.40/x
  3. Step 3: Cross multiply
    113,797,293.40x = 170,695,940.10 × 85,099,479.40
  4. Step 4: Simplify right side
    113,797,293.40x = 14,526,135,638,203,584
  5. Step 5: Solve for x
    x = 14,526,135,638,203,584/113,797,293.40
  6. Step 6: Final answer
    x = 127,649,219.10

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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.