Home / 353,940,903.40-530,932,636.12-108,299,666.38

Finding the Fourth Proportional to 353,940,903.40, 530,932,636.12 and 108,299,666.38

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Solution

The fourth proportional to 353,940,903.40, 530,932,636.12 and 108,299,666.38 is: 162,456,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940,903.40 : 530,932,636.12 = 108,299,666.38 : x
  2. Step 2: Convert to fraction form
    353,940,903.40/530,932,636.12 = 108,299,666.38/x
  3. Step 3: Cross multiply
    353,940,903.40x = 530,932,636.12 × 108,299,666.38
  4. Step 4: Simplify right side
    353,940,903.40x = 57,499,827,362,049,936
  5. Step 5: Solve for x
    x = 57,499,827,362,049,936/353,940,903.40
  6. Step 6: Final answer
    x = 162,456,011.19

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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.