Home / 144,075,765.20-198,824,622.60-77,996,263.54

Finding the Fourth Proportional to 144,075,765.20, 198,824,622.60 and 77,996,263.54

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Solution

The fourth proportional to 144,075,765.20, 198,824,622.60 and 77,996,263.54 is: 107,634,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,075,765.20 : 198,824,622.60 = 77,996,263.54 : x
  2. Step 2: Convert to fraction form
    144,075,765.20/198,824,622.60 = 77,996,263.54/x
  3. Step 3: Cross multiply
    144,075,765.20x = 198,824,622.60 × 77,996,263.54
  4. Step 4: Simplify right side
    144,075,765.20x = 15,507,577,662,050,190
  5. Step 5: Solve for x
    x = 15,507,577,662,050,190/144,075,765.20
  6. Step 6: Final answer
    x = 107,634,879.75

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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.