Home / 234,178,407.27-323,166,581.82-128,315,000.19

Finding the Fourth Proportional to 234,178,407.27, 323,166,581.82 and 128,315,000.19

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Solution

The fourth proportional to 234,178,407.27, 323,166,581.82 and 128,315,000.19 is: 177,074,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,178,407.27 : 323,166,581.82 = 128,315,000.19 : x
  2. Step 2: Convert to fraction form
    234,178,407.27/323,166,581.82 = 128,315,000.19/x
  3. Step 3: Cross multiply
    234,178,407.27x = 323,166,581.82 × 128,315,000.19
  4. Step 4: Simplify right side
    234,178,407.27x = 41,467,120,007,634,952
  5. Step 5: Solve for x
    x = 41,467,120,007,634,952/234,178,407.27
  6. Step 6: Final answer
    x = 177,074,908.36

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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.