Home / 76,773,890.54-115,160,835.80-25,655,909.36

Finding the Fourth Proportional to 76,773,890.54, 115,160,835.80 and 25,655,909.36

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Solution

The fourth proportional to 76,773,890.54, 115,160,835.80 and 25,655,909.36 is: 38,483,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773,890.54 : 115,160,835.80 = 25,655,909.36 : x
  2. Step 2: Convert to fraction form
    76,773,890.54/115,160,835.80 = 25,655,909.36/x
  3. Step 3: Cross multiply
    76,773,890.54x = 115,160,835.80 × 25,655,909.36
  4. Step 4: Simplify right side
    76,773,890.54x = 2,954,555,964,594,978.50
  5. Step 5: Solve for x
    x = 2,954,555,964,594,978.50/76,773,890.54
  6. Step 6: Final answer
    x = 38,483,864.03

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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.