Home / 256,244,595.50-384,980,082.96-164,308,457.28

Finding the Fourth Proportional to 256,244,595.50, 384,980,082.96 and 164,308,457.28

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Solution

The fourth proportional to 256,244,595.50, 384,980,082.96 and 164,308,457.28 is: 246,855,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,595.50 : 384,980,082.96 = 164,308,457.28 : x
  2. Step 2: Convert to fraction form
    256,244,595.50/384,980,082.96 = 164,308,457.28/x
  3. Step 3: Cross multiply
    256,244,595.50x = 384,980,082.96 × 164,308,457.28
  4. Step 4: Simplify right side
    256,244,595.50x = 63,255,483,514,684,016
  5. Step 5: Solve for x
    x = 63,255,483,514,684,016/256,244,595.50
  6. Step 6: Final answer
    x = 246,855,873.75

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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.