Home / 280,230,940.08-386,716,388.40-153,071,723.52

Finding the Fourth Proportional to 280,230,940.08, 386,716,388.40 and 153,071,723.52

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Solution

The fourth proportional to 280,230,940.08, 386,716,388.40 and 153,071,723.52 is: 211,237,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,230,940.08 : 386,716,388.40 = 153,071,723.52 : x
  2. Step 2: Convert to fraction form
    280,230,940.08/386,716,388.40 = 153,071,723.52/x
  3. Step 3: Cross multiply
    280,230,940.08x = 386,716,388.40 × 153,071,723.52
  4. Step 4: Simplify right side
    280,230,940.08x = 59,195,344,085,817,736
  5. Step 5: Solve for x
    x = 59,195,344,085,817,736/280,230,940.08
  6. Step 6: Final answer
    x = 211,237,717.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.