Home / 290,764,669.08-436,150,802.64-96,676,084.32

Finding the Fourth Proportional to 290,764,669.08, 436,150,802.64 and 96,676,084.32

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Solution

The fourth proportional to 290,764,669.08, 436,150,802.64 and 96,676,084.32 is: 145,015,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,669.08 : 436,150,802.64 = 96,676,084.32 : x
  2. Step 2: Convert to fraction form
    290,764,669.08/436,150,802.64 = 96,676,084.32/x
  3. Step 3: Cross multiply
    290,764,669.08x = 436,150,802.64 × 96,676,084.32
  4. Step 4: Simplify right side
    290,764,669.08x = 42,165,351,772,260,312
  5. Step 5: Solve for x
    x = 42,165,351,772,260,312/290,764,669.08
  6. Step 6: Final answer
    x = 145,015,389.61

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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.