Home / 235,749,617.76-325,319,813.78-129,897,109.45

Finding the Fourth Proportional to 235,749,617.76, 325,319,813.78 and 129,897,109.45

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Solution

The fourth proportional to 235,749,617.76, 325,319,813.78 and 129,897,109.45 is: 179,249,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,749,617.76 : 325,319,813.78 = 129,897,109.45 : x
  2. Step 2: Convert to fraction form
    235,749,617.76/325,319,813.78 = 129,897,109.45/x
  3. Step 3: Cross multiply
    235,749,617.76x = 325,319,813.78 × 129,897,109.45
  4. Step 4: Simplify right side
    235,749,617.76x = 42,258,103,456,834,272
  5. Step 5: Solve for x
    x = 42,258,103,456,834,272/235,749,617.76
  6. Step 6: Final answer
    x = 179,249,934.14

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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.