Home / 231,983,627.34-320,128,800.03-127,555,485.42

Finding the Fourth Proportional to 231,983,627.34, 320,128,800.03 and 127,555,485.42

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Solution

The fourth proportional to 231,983,627.34, 320,128,800.03 and 127,555,485.42 is: 176,021,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983,627.34 : 320,128,800.03 = 127,555,485.42 : x
  2. Step 2: Convert to fraction form
    231,983,627.34/320,128,800.03 = 127,555,485.42/x
  3. Step 3: Cross multiply
    231,983,627.34x = 320,128,800.03 × 127,555,485.42
  4. Step 4: Simplify right side
    231,983,627.34x = 40,834,184,484,748,760
  5. Step 5: Solve for x
    x = 40,834,184,484,748,760/231,983,627.34
  6. Step 6: Final answer
    x = 176,021,838.06

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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.