Home / 238,733,516.79-358,100,255.21-66,210,327.27

Finding the Fourth Proportional to 238,733,516.79, 358,100,255.21 and 66,210,327.27

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Solution

The fourth proportional to 238,733,516.79, 358,100,255.21 and 66,210,327.27 is: 99,315,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,733,516.79 : 358,100,255.21 = 66,210,327.27 : x
  2. Step 2: Convert to fraction form
    238,733,516.79/358,100,255.21 = 66,210,327.27/x
  3. Step 3: Cross multiply
    238,733,516.79x = 358,100,255.21 × 66,210,327.27
  4. Step 4: Simplify right side
    238,733,516.79x = 23,709,935,092,593,572
  5. Step 5: Solve for x
    x = 23,709,935,092,593,572/238,733,516.79
  6. Step 6: Final answer
    x = 99,315,485.36

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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.