Home / 54,362,830.32-75,003,816.72-30,837,489.84

Finding the Fourth Proportional to 54,362,830.32, 75,003,816.72 and 30,837,489.84

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Solution

The fourth proportional to 54,362,830.32, 75,003,816.72 and 30,837,489.84 is: 42,546,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362,830.32 : 75,003,816.72 = 30,837,489.84 : x
  2. Step 2: Convert to fraction form
    54,362,830.32/75,003,816.72 = 30,837,489.84/x
  3. Step 3: Cross multiply
    54,362,830.32x = 75,003,816.72 × 30,837,489.84
  4. Step 4: Simplify right side
    54,362,830.32x = 2,312,929,436,064,222
  5. Step 5: Solve for x
    x = 2,312,929,436,064,222/54,362,830.32
  6. Step 6: Final answer
    x = 42,546,155.57

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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.