Home / 308,853,457.06-463,279,813.78-78,822,566.32

Finding the Fourth Proportional to 308,853,457.06, 463,279,813.78 and 78,822,566.32

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Solution

The fourth proportional to 308,853,457.06, 463,279,813.78 and 78,822,566.32 is: 118,233,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,457.06 : 463,279,813.78 = 78,822,566.32 : x
  2. Step 2: Convert to fraction form
    308,853,457.06/463,279,813.78 = 78,822,566.32/x
  3. Step 3: Cross multiply
    308,853,457.06x = 463,279,813.78 × 78,822,566.32
  4. Step 4: Simplify right side
    308,853,457.06x = 36,516,903,846,391,296
  5. Step 5: Solve for x
    x = 36,516,903,846,391,296/308,853,457.06
  6. Step 6: Final answer
    x = 118,233,754.59

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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.