Home / 78,877,048.87-118,317,983.66-27,060,924.69

Finding the Fourth Proportional to 78,877,048.87, 118,317,983.66 and 27,060,924.69

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Solution

The fourth proportional to 78,877,048.87, 118,317,983.66 and 27,060,924.69 is: 40,592,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,877,048.87 : 118,317,983.66 = 27,060,924.69 : x
  2. Step 2: Convert to fraction form
    78,877,048.87/118,317,983.66 = 27,060,924.69/x
  3. Step 3: Cross multiply
    78,877,048.87x = 118,317,983.66 × 27,060,924.69
  4. Step 4: Simplify right side
    78,877,048.87x = 3,201,794,045,414,437.50
  5. Step 5: Solve for x
    x = 3,201,794,045,414,437.50/78,877,048.87
  6. Step 6: Final answer
    x = 40,592,213.98

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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.