Home / 255,488,212.35-383,300,446.17-91,727,387.68

Finding the Fourth Proportional to 255,488,212.35, 383,300,446.17 and 91,727,387.68

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Solution

The fourth proportional to 255,488,212.35, 383,300,446.17 and 91,727,387.68 is: 137,615,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,488,212.35 : 383,300,446.17 = 91,727,387.68 : x
  2. Step 2: Convert to fraction form
    255,488,212.35/383,300,446.17 = 91,727,387.68/x
  3. Step 3: Cross multiply
    255,488,212.35x = 383,300,446.17 × 91,727,387.68
  4. Step 4: Simplify right side
    255,488,212.35x = 35,159,148,622,777,984
  5. Step 5: Solve for x
    x = 35,159,148,622,777,984/255,488,212.35
  6. Step 6: Final answer
    x = 137,615,541.24

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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.