Home / 256,852,859.48-385,280,036.56-109,262,393.56

Finding the Fourth Proportional to 256,852,859.48, 385,280,036.56 and 109,262,393.56

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Solution

The fourth proportional to 256,852,859.48, 385,280,036.56 and 109,262,393.56 is: 163,893,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,852,859.48 : 385,280,036.56 = 109,262,393.56 : x
  2. Step 2: Convert to fraction form
    256,852,859.48/385,280,036.56 = 109,262,393.56/x
  3. Step 3: Cross multiply
    256,852,859.48x = 385,280,036.56 × 109,262,393.56
  4. Step 4: Simplify right side
    256,852,859.48x = 42,096,618,987,131,816
  5. Step 5: Solve for x
    x = 42,096,618,987,131,816/256,852,859.48
  6. Step 6: Final answer
    x = 163,893,908.26

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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.