Home / 253,041,921.92-379,579,537.42-66,300,437.53

Finding the Fourth Proportional to 253,041,921.92, 379,579,537.42 and 66,300,437.53

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Solution

The fourth proportional to 253,041,921.92, 379,579,537.42 and 66,300,437.53 is: 99,455,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,041,921.92 : 379,579,537.42 = 66,300,437.53 : x
  2. Step 2: Convert to fraction form
    253,041,921.92/379,579,537.42 = 66,300,437.53/x
  3. Step 3: Cross multiply
    253,041,921.92x = 379,579,537.42 × 66,300,437.53
  4. Step 4: Simplify right side
    253,041,921.92x = 25,166,289,409,129,180
  5. Step 5: Solve for x
    x = 25,166,289,409,129,180/253,041,921.92
  6. Step 6: Final answer
    x = 99,455,020.01

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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.