Home / 253,348,151.05-380,079,529.27-136,761,004.56

Finding the Fourth Proportional to 253,348,151.05, 380,079,529.27 and 136,761,004.56

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Solution

The fourth proportional to 253,348,151.05, 380,079,529.27 and 136,761,004.56 is: 205,172,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,348,151.05 : 380,079,529.27 = 136,761,004.56 : x
  2. Step 2: Convert to fraction form
    253,348,151.05/380,079,529.27 = 136,761,004.56/x
  3. Step 3: Cross multiply
    253,348,151.05x = 380,079,529.27 × 136,761,004.56
  4. Step 4: Simplify right side
    253,348,151.05x = 51,980,058,234,973,320
  5. Step 5: Solve for x
    x = 51,980,058,234,973,320/253,348,151.05
  6. Step 6: Final answer
    x = 205,172,439.67

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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.