Home / 254,478,894.12-381,007,165.32-137,475,072

Finding the Fourth Proportional to 254,478,894.12, 381,007,165.32 and 137,475,072

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Solution

The fourth proportional to 254,478,894.12, 381,007,165.32 and 137,475,072 is: 205,828,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,478,894.12 : 381,007,165.32 = 137,475,072 : x
  2. Step 2: Convert to fraction form
    254,478,894.12/381,007,165.32 = 137,475,072/x
  3. Step 3: Cross multiply
    254,478,894.12x = 381,007,165.32 × 137,475,072
  4. Step 4: Simplify right side
    254,478,894.12x = 52,378,987,484,882,904
  5. Step 5: Solve for x
    x = 52,378,987,484,882,904/254,478,894.12
  6. Step 6: Final answer
    x = 205,828,415.22

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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.