Home / 235,818,221.28-325,430,436.40-136,757,701.92

Finding the Fourth Proportional to 235,818,221.28, 325,430,436.40 and 136,757,701.92

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Solution

The fourth proportional to 235,818,221.28, 325,430,436.40 and 136,757,701.92 is: 188,726,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,818,221.28 : 325,430,436.40 = 136,757,701.92 : x
  2. Step 2: Convert to fraction form
    235,818,221.28/325,430,436.40 = 136,757,701.92/x
  3. Step 3: Cross multiply
    235,818,221.28x = 325,430,436.40 × 136,757,701.92
  4. Step 4: Simplify right side
    235,818,221.28x = 44,505,118,616,886,712
  5. Step 5: Solve for x
    x = 44,505,118,616,886,712/235,818,221.28
  6. Step 6: Final answer
    x = 188,726,377.36

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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.