Home / 130,661,906.16-180,317,147.52-71,127,041.73

Finding the Fourth Proportional to 130,661,906.16, 180,317,147.52 and 71,127,041.73

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Solution

The fourth proportional to 130,661,906.16, 180,317,147.52 and 71,127,041.73 is: 98,157,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,661,906.16 : 180,317,147.52 = 71,127,041.73 : x
  2. Step 2: Convert to fraction form
    130,661,906.16/180,317,147.52 = 71,127,041.73/x
  3. Step 3: Cross multiply
    130,661,906.16x = 180,317,147.52 × 71,127,041.73
  4. Step 4: Simplify right side
    130,661,906.16x = 12,825,425,276,289,608
  5. Step 5: Solve for x
    x = 12,825,425,276,289,608/130,661,906.16
  6. Step 6: Final answer
    x = 98,157,340.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.