Home / 289,081,195.00-398,932,554.79-156,922,281.04

Finding the Fourth Proportional to 289,081,195.00, 398,932,554.79 and 156,922,281.04

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Solution

The fourth proportional to 289,081,195.00, 398,932,554.79 and 156,922,281.04 is: 216,553,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,081,195.00 : 398,932,554.79 = 156,922,281.04 : x
  2. Step 2: Convert to fraction form
    289,081,195.00/398,932,554.79 = 156,922,281.04/x
  3. Step 3: Cross multiply
    289,081,195.00x = 398,932,554.79 × 156,922,281.04
  4. Step 4: Simplify right side
    289,081,195.00x = 62,601,406,479,039,040
  5. Step 5: Solve for x
    x = 62,601,406,479,039,040/289,081,195.00
  6. Step 6: Final answer
    x = 216,553,022.34

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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.