Home / 103,783,376.05-143,213,866.12-57,369,976.31

Finding the Fourth Proportional to 103,783,376.05, 143,213,866.12 and 57,369,976.31

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Solution

The fourth proportional to 103,783,376.05, 143,213,866.12 and 57,369,976.31 is: 79,166,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,783,376.05 : 143,213,866.12 = 57,369,976.31 : x
  2. Step 2: Convert to fraction form
    103,783,376.05/143,213,866.12 = 57,369,976.31/x
  3. Step 3: Cross multiply
    103,783,376.05x = 143,213,866.12 × 57,369,976.31
  4. Step 4: Simplify right side
    103,783,376.05x = 8,216,176,106,997,659
  5. Step 5: Solve for x
    x = 8,216,176,106,997,659/103,783,376.05
  6. Step 6: Final answer
    x = 79,166,591.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.