Home / 54,453,415.16-75,148,515.78-30,007,129.16

Finding the Fourth Proportional to 54,453,415.16, 75,148,515.78 and 30,007,129.16

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Solution

The fourth proportional to 54,453,415.16, 75,148,515.78 and 30,007,129.16 is: 41,411,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453,415.16 : 75,148,515.78 = 30,007,129.16 : x
  2. Step 2: Convert to fraction form
    54,453,415.16/75,148,515.78 = 30,007,129.16/x
  3. Step 3: Cross multiply
    54,453,415.16x = 75,148,515.78 × 30,007,129.16
  4. Step 4: Simplify right side
    54,453,415.16x = 2,254,991,219,192,758
  5. Step 5: Solve for x
    x = 2,254,991,219,192,758/54,453,415.16
  6. Step 6: Final answer
    x = 41,411,382.79

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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.