Home / 125,790,130.88-188,730,597.64-43,921,070.54

Finding the Fourth Proportional to 125,790,130.88, 188,730,597.64 and 43,921,070.54

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Solution

The fourth proportional to 125,790,130.88, 188,730,597.64 and 43,921,070.54 is: 65,897,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,790,130.88 : 188,730,597.64 = 43,921,070.54 : x
  2. Step 2: Convert to fraction form
    125,790,130.88/188,730,597.64 = 43,921,070.54/x
  3. Step 3: Cross multiply
    125,790,130.88x = 188,730,597.64 × 43,921,070.54
  4. Step 4: Simplify right side
    125,790,130.88x = 8,289,249,892,002,797
  5. Step 5: Solve for x
    x = 8,289,249,892,002,797/125,790,130.88
  6. Step 6: Final answer
    x = 65,897,458.20

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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.