Home / 345,054,872.96-517,409,232.64-114,943,057.28

Finding the Fourth Proportional to 345,054,872.96, 517,409,232.64 and 114,943,057.28

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Solution

The fourth proportional to 345,054,872.96, 517,409,232.64 and 114,943,057.28 is: 172,356,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,054,872.96 : 517,409,232.64 = 114,943,057.28 : x
  2. Step 2: Convert to fraction form
    345,054,872.96/517,409,232.64 = 114,943,057.28/x
  3. Step 3: Cross multiply
    345,054,872.96x = 517,409,232.64 × 114,943,057.28
  4. Step 4: Simplify right side
    345,054,872.96x = 59,472,599,064,540,368
  5. Step 5: Solve for x
    x = 59,472,599,064,540,368/345,054,872.96
  6. Step 6: Final answer
    x = 172,356,931.39

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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.