Home / 272,947,122.63-376,624,939.01-155,457,474.89

Finding the Fourth Proportional to 272,947,122.63, 376,624,939.01 and 155,457,474.89

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Solution

The fourth proportional to 272,947,122.63, 376,624,939.01 and 155,457,474.89 is: 214,507,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,947,122.63 : 376,624,939.01 = 155,457,474.89 : x
  2. Step 2: Convert to fraction form
    272,947,122.63/376,624,939.01 = 155,457,474.89/x
  3. Step 3: Cross multiply
    272,947,122.63x = 376,624,939.01 × 155,457,474.89
  4. Step 4: Simplify right side
    272,947,122.63x = 58,549,161,996,434,440
  5. Step 5: Solve for x
    x = 58,549,161,996,434,440/272,947,122.63
  6. Step 6: Final answer
    x = 214,507,342.79

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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.