Home / 158,884,936.20-238,322,998.68-42,301,292.40

Finding the Fourth Proportional to 158,884,936.20, 238,322,998.68 and 42,301,292.40

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Solution

The fourth proportional to 158,884,936.20, 238,322,998.68 and 42,301,292.40 is: 63,450,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,884,936.20 : 238,322,998.68 = 42,301,292.40 : x
  2. Step 2: Convert to fraction form
    158,884,936.20/238,322,998.68 = 42,301,292.40/x
  3. Step 3: Cross multiply
    158,884,936.20x = 238,322,998.68 × 42,301,292.40
  4. Step 4: Simplify right side
    158,884,936.20x = 10,081,370,852,807,494
  5. Step 5: Solve for x
    x = 10,081,370,852,807,494/158,884,936.20
  6. Step 6: Final answer
    x = 63,450,765.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.