Home / 345,492,054.30-518,238,081.45-112,322,315.55

Finding the Fourth Proportional to 345,492,054.30, 518,238,081.45 and 112,322,315.55

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Solution

The fourth proportional to 345,492,054.30, 518,238,081.45 and 112,322,315.55 is: 168,483,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,492,054.30 : 518,238,081.45 = 112,322,315.55 : x
  2. Step 2: Convert to fraction form
    345,492,054.30/518,238,081.45 = 112,322,315.55/x
  3. Step 3: Cross multiply
    345,492,054.30x = 518,238,081.45 × 112,322,315.55
  4. Step 4: Simplify right side
    345,492,054.30x = 58,209,701,314,653,496
  5. Step 5: Solve for x
    x = 58,209,701,314,653,496/345,492,054.30
  6. Step 6: Final answer
    x = 168,483,473.33

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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.