Home / 254,457,428.64-381,686,084.64-72,704,608.80

Finding the Fourth Proportional to 254,457,428.64, 381,686,084.64 and 72,704,608.80

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Solution

The fourth proportional to 254,457,428.64, 381,686,084.64 and 72,704,608.80 is: 109,056,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,457,428.64 : 381,686,084.64 = 72,704,608.80 : x
  2. Step 2: Convert to fraction form
    254,457,428.64/381,686,084.64 = 72,704,608.80/x
  3. Step 3: Cross multiply
    254,457,428.64x = 381,686,084.64 × 72,704,608.80
  4. Step 4: Simplify right side
    254,457,428.64x = 27,750,337,468,154,888
  5. Step 5: Solve for x
    x = 27,750,337,468,154,888/254,457,428.64
  6. Step 6: Final answer
    x = 109,056,896.54

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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.