Home / 256,642,680.96-385,064,848.32-112,934,736

Finding the Fourth Proportional to 256,642,680.96, 385,064,848.32 and 112,934,736

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Solution

The fourth proportional to 256,642,680.96, 385,064,848.32 and 112,934,736 is: 169,446,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,642,680.96 : 385,064,848.32 = 112,934,736 : x
  2. Step 2: Convert to fraction form
    256,642,680.96/385,064,848.32 = 112,934,736/x
  3. Step 3: Cross multiply
    256,642,680.96x = 385,064,848.32 × 112,934,736
  4. Step 4: Simplify right side
    256,642,680.96x = 43,487,196,987,899,240
  5. Step 5: Solve for x
    x = 43,487,196,987,899,240/256,642,680.96
  6. Step 6: Final answer
    x = 169,446,472.52

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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.