Home / 290,764,668.75-436,150,802.10-96,676,083.93

Finding the Fourth Proportional to 290,764,668.75, 436,150,802.10 and 96,676,083.93

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Solution

The fourth proportional to 290,764,668.75, 436,150,802.10 and 96,676,083.93 is: 145,015,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,668.75 : 436,150,802.10 = 96,676,083.93 : x
  2. Step 2: Convert to fraction form
    290,764,668.75/436,150,802.10 = 96,676,083.93/x
  3. Step 3: Cross multiply
    290,764,668.75x = 436,150,802.10 × 96,676,083.93
  4. Step 4: Simplify right side
    290,764,668.75x = 42,165,351,549,956,424
  5. Step 5: Solve for x
    x = 42,165,351,549,956,424/290,764,668.75
  6. Step 6: Final answer
    x = 145,015,389.01

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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.