Home / 76,636,609.52-114,973,218.66-25,519,071.20

Finding the Fourth Proportional to 76,636,609.52, 114,973,218.66 and 25,519,071.20

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Solution

The fourth proportional to 76,636,609.52, 114,973,218.66 and 25,519,071.20 is: 38,284,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636,609.52 : 114,973,218.66 = 25,519,071.20 : x
  2. Step 2: Convert to fraction form
    76,636,609.52/114,973,218.66 = 25,519,071.20/x
  3. Step 3: Cross multiply
    76,636,609.52x = 114,973,218.66 × 25,519,071.20
  4. Step 4: Simplify right side
    76,636,609.52x = 2,934,009,753,077,708.50
  5. Step 5: Solve for x
    x = 2,934,009,753,077,708.50/76,636,609.52
  6. Step 6: Final answer
    x = 38,284,701.94

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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.