Home / 288,293,071.92-397,842,467.40-156,131,028.96

Finding the Fourth Proportional to 288,293,071.92, 397,842,467.40 and 156,131,028.96

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Solution

The fourth proportional to 288,293,071.92, 397,842,467.40 and 156,131,028.96 is: 215,459,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293,071.92 : 397,842,467.40 = 156,131,028.96 : x
  2. Step 2: Convert to fraction form
    288,293,071.92/397,842,467.40 = 156,131,028.96/x
  3. Step 3: Cross multiply
    288,293,071.92x = 397,842,467.40 × 156,131,028.96
  4. Step 4: Simplify right side
    288,293,071.92x = 62,115,553,799,147,256
  5. Step 5: Solve for x
    x = 62,115,553,799,147,256/288,293,071.92
  6. Step 6: Final answer
    x = 215,459,752.07

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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.