Home / 253,041,923.42-379,579,539.66-66,300,439.04

Finding the Fourth Proportional to 253,041,923.42, 379,579,539.66 and 66,300,439.04

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Solution

The fourth proportional to 253,041,923.42, 379,579,539.66 and 66,300,439.04 is: 99,455,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,041,923.42 : 379,579,539.66 = 66,300,439.04 : x
  2. Step 2: Convert to fraction form
    253,041,923.42/379,579,539.66 = 66,300,439.04/x
  3. Step 3: Cross multiply
    253,041,923.42x = 379,579,539.66 × 66,300,439.04
  4. Step 4: Simplify right side
    253,041,923.42x = 25,166,290,128,161,196
  5. Step 5: Solve for x
    x = 25,166,290,128,161,196/253,041,923.42
  6. Step 6: Final answer
    x = 99,455,022.27

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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.