Home / 178,287,497.72-245,932,509.42-112,103,213.39

Finding the Fourth Proportional to 178,287,497.72, 245,932,509.42 and 112,103,213.39

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Solution

The fourth proportional to 178,287,497.72, 245,932,509.42 and 112,103,213.39 is: 154,636,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,287,497.72 : 245,932,509.42 = 112,103,213.39 : x
  2. Step 2: Convert to fraction form
    178,287,497.72/245,932,509.42 = 112,103,213.39/x
  3. Step 3: Cross multiply
    178,287,497.72x = 245,932,509.42 × 112,103,213.39
  4. Step 4: Simplify right side
    178,287,497.72x = 27,569,824,582,741,028
  5. Step 5: Solve for x
    x = 27,569,824,582,741,028/178,287,497.72
  6. Step 6: Final answer
    x = 154,636,892.30

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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.