Home / 254,478,903.12-381,007,178.82-137,475,081

Finding the Fourth Proportional to 254,478,903.12, 381,007,178.82 and 137,475,081

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Solution

The fourth proportional to 254,478,903.12, 381,007,178.82 and 137,475,081 is: 205,828,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,478,903.12 : 381,007,178.82 = 137,475,081 : x
  2. Step 2: Convert to fraction form
    254,478,903.12/381,007,178.82 = 137,475,081/x
  3. Step 3: Cross multiply
    254,478,903.12x = 381,007,178.82 × 137,475,081
  4. Step 4: Simplify right side
    254,478,903.12x = 52,378,992,769,860,984
  5. Step 5: Solve for x
    x = 52,378,992,769,860,984/254,478,903.12
  6. Step 6: Final answer
    x = 205,828,428.71

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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.