Home / 289,081,707.57-398,933,266.37-156,922,795.62

Finding the Fourth Proportional to 289,081,707.57, 398,933,266.37 and 156,922,795.62

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Solution

The fourth proportional to 289,081,707.57, 398,933,266.37 and 156,922,795.62 is: 216,553,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,081,707.57 : 398,933,266.37 = 156,922,795.62 : x
  2. Step 2: Convert to fraction form
    289,081,707.57/398,933,266.37 = 156,922,795.62/x
  3. Step 3: Cross multiply
    289,081,707.57x = 398,933,266.37 × 156,922,795.62
  4. Step 4: Simplify right side
    289,081,707.57x = 62,601,723,424,598,528
  5. Step 5: Solve for x
    x = 62,601,723,424,598,528/289,081,707.57
  6. Step 6: Final answer
    x = 216,553,734.76

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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.