Home / 308,853,441.55-463,279,790.53-78,822,550.81

Finding the Fourth Proportional to 308,853,441.55, 463,279,790.53 and 78,822,550.81

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Solution

The fourth proportional to 308,853,441.55, 463,279,790.53 and 78,822,550.81 is: 118,233,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,441.55 : 463,279,790.53 = 78,822,550.81 : x
  2. Step 2: Convert to fraction form
    308,853,441.55/463,279,790.53 = 78,822,550.81/x
  3. Step 3: Cross multiply
    308,853,441.55x = 463,279,790.53 × 78,822,550.81
  4. Step 4: Simplify right side
    308,853,441.55x = 36,516,894,828,297,080
  5. Step 5: Solve for x
    x = 36,516,894,828,297,080/308,853,441.55
  6. Step 6: Final answer
    x = 118,233,731.33

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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.