Home / 76,866,797.40-115,160,228.10-36,388,051.80

Finding the Fourth Proportional to 76,866,797.40, 115,160,228.10 and 36,388,051.80

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Solution

The fourth proportional to 76,866,797.40, 115,160,228.10 and 36,388,051.80 is: 54,515,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,866,797.40 : 115,160,228.10 = 36,388,051.80 : x
  2. Step 2: Convert to fraction form
    76,866,797.40/115,160,228.10 = 36,388,051.80/x
  3. Step 3: Cross multiply
    76,866,797.40x = 115,160,228.10 × 36,388,051.80
  4. Step 4: Simplify right side
    76,866,797.40x = 4,190,456,345,402,615
  5. Step 5: Solve for x
    x = 4,190,456,345,402,615/76,866,797.40
  6. Step 6: Final answer
    x = 54,515,818.11

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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.