Home / 239,958,332.40-331,140,849.96-129,947,527.92

Finding the Fourth Proportional to 239,958,332.40, 331,140,849.96 and 129,947,527.92

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Solution

The fourth proportional to 239,958,332.40, 331,140,849.96 and 129,947,527.92 is: 179,326,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,958,332.40 : 331,140,849.96 = 129,947,527.92 : x
  2. Step 2: Convert to fraction form
    239,958,332.40/331,140,849.96 = 129,947,527.92/x
  3. Step 3: Cross multiply
    239,958,332.40x = 331,140,849.96 × 129,947,527.92
  4. Step 4: Simplify right side
    239,958,332.40x = 43,030,934,845,629,632
  5. Step 5: Solve for x
    x = 43,030,934,845,629,632/239,958,332.40
  6. Step 6: Final answer
    x = 179,326,695.66

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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.