Home / 253,041,917.63-379,579,530.96-66,300,433.24

Finding the Fourth Proportional to 253,041,917.63, 379,579,530.96 and 66,300,433.24

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Solution

The fourth proportional to 253,041,917.63, 379,579,530.96 and 66,300,433.24 is: 99,455,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,041,917.63 : 379,579,530.96 = 66,300,433.24 : x
  2. Step 2: Convert to fraction form
    253,041,917.63/379,579,530.96 = 66,300,433.24/x
  3. Step 3: Cross multiply
    253,041,917.63x = 379,579,530.96 × 66,300,433.24
  4. Step 4: Simplify right side
    253,041,917.63x = 25,166,287,352,608,660
  5. Step 5: Solve for x
    x = 25,166,287,352,608,660/253,041,917.63
  6. Step 6: Final answer
    x = 99,455,013.57

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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.