Home / 235,749,616.76-325,319,812.40-129,897,108.45

Finding the Fourth Proportional to 235,749,616.76, 325,319,812.40 and 129,897,108.45

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Solution

The fourth proportional to 235,749,616.76, 325,319,812.40 and 129,897,108.45 is: 179,249,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,749,616.76 : 325,319,812.40 = 129,897,108.45 : x
  2. Step 2: Convert to fraction form
    235,749,616.76/325,319,812.40 = 129,897,108.45/x
  3. Step 3: Cross multiply
    235,749,616.76x = 325,319,812.40 × 129,897,108.45
  4. Step 4: Simplify right side
    235,749,616.76x = 42,258,102,953,449,488
  5. Step 5: Solve for x
    x = 42,258,102,953,449,488/235,749,616.76
  6. Step 6: Final answer
    x = 179,249,932.76

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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.