Home / 77,319,071.37-106,693,961.76-45,524,186.73

Finding the Fourth Proportional to 77,319,071.37, 106,693,961.76 and 45,524,186.73

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Solution

The fourth proportional to 77,319,071.37, 106,693,961.76 and 45,524,186.73 is: 62,819,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319,071.37 : 106,693,961.76 = 45,524,186.73 : x
  2. Step 2: Convert to fraction form
    77,319,071.37/106,693,961.76 = 45,524,186.73/x
  3. Step 3: Cross multiply
    77,319,071.37x = 106,693,961.76 × 45,524,186.73
  4. Step 4: Simplify right side
    77,319,071.37x = 4,857,155,838,125,719
  5. Step 5: Solve for x
    x = 4,857,155,838,125,719/77,319,071.37
  6. Step 6: Final answer
    x = 62,819,634.95

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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.