Home / 290,764,660.50-436,150,789.72-96,676,075.68

Finding the Fourth Proportional to 290,764,660.50, 436,150,789.72 and 96,676,075.68

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Solution

The fourth proportional to 290,764,660.50, 436,150,789.72 and 96,676,075.68 is: 145,015,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,660.50 : 436,150,789.72 = 96,676,075.68 : x
  2. Step 2: Convert to fraction form
    290,764,660.50/436,150,789.72 = 96,676,075.68/x
  3. Step 3: Cross multiply
    290,764,660.50x = 436,150,789.72 × 96,676,075.68
  4. Step 4: Simplify right side
    290,764,660.50x = 42,165,346,754,862,488
  5. Step 5: Solve for x
    x = 42,165,346,754,862,488/290,764,660.50
  6. Step 6: Final answer
    x = 145,015,376.64

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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.