Home / 159,533,780.16-220,338,218.88-107,232,013.20

Finding the Fourth Proportional to 159,533,780.16, 220,338,218.88 and 107,232,013.20

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Solution

The fourth proportional to 159,533,780.16, 220,338,218.88 and 107,232,013.20 is: 148,102,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,533,780.16 : 220,338,218.88 = 107,232,013.20 : x
  2. Step 2: Convert to fraction form
    159,533,780.16/220,338,218.88 = 107,232,013.20/x
  3. Step 3: Cross multiply
    159,533,780.16x = 220,338,218.88 × 107,232,013.20
  4. Step 4: Simplify right side
    159,533,780.16x = 23,627,310,795,404,648
  5. Step 5: Solve for x
    x = 23,627,310,795,404,648/159,533,780.16
  6. Step 6: Final answer
    x = 148,102,243.75

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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.