Home / 77,384,804.70-115,909,245.45-63,947,876.70

Finding the Fourth Proportional to 77,384,804.70, 115,909,245.45 and 63,947,876.70

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Solution

The fourth proportional to 77,384,804.70, 115,909,245.45 and 63,947,876.70 is: 95,783,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384,804.70 : 115,909,245.45 = 63,947,876.70 : x
  2. Step 2: Convert to fraction form
    77,384,804.70/115,909,245.45 = 63,947,876.70/x
  3. Step 3: Cross multiply
    77,384,804.70x = 115,909,245.45 × 63,947,876.70
  4. Step 4: Simplify right side
    77,384,804.70x = 7,412,150,136,426,637
  5. Step 5: Solve for x
    x = 7,412,150,136,426,637/77,384,804.70
  6. Step 6: Final answer
    x = 95,783,017.93

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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.