Home / 72,036,754.00-99,410,699.52-38,996,978.67

Finding the Fourth Proportional to 72,036,754.00, 99,410,699.52 and 38,996,978.67

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Solution

The fourth proportional to 72,036,754.00, 99,410,699.52 and 38,996,978.67 is: 53,815,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,754.00 : 99,410,699.52 = 38,996,978.67 : x
  2. Step 2: Convert to fraction form
    72,036,754.00/99,410,699.52 = 38,996,978.67/x
  3. Step 3: Cross multiply
    72,036,754.00x = 99,410,699.52 × 38,996,978.67
  4. Step 4: Simplify right side
    72,036,754.00x = 3,876,716,928,751,219.50
  5. Step 5: Solve for x
    x = 3,876,716,928,751,219.50/72,036,754.00
  6. Step 6: Final answer
    x = 53,815,819.20

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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.