Home / 152,080,495,983.45-228,120,743,975.18-139,009,052,425.05

Finding the Fourth Proportional to 152,080,495,983.45, 228,120,743,975.18 and 139,009,052,425.05

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Solution

The fourth proportional to 152,080,495,983.45, 228,120,743,975.18 and 139,009,052,425.05 is: 208,513,578,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080,495,983.45 : 228,120,743,975.18 = 139,009,052,425.05 : x
  2. Step 2: Convert to fraction form
    152,080,495,983.45/228,120,743,975.18 = 139,009,052,425.05/x
  3. Step 3: Cross multiply
    152,080,495,983.45x = 228,120,743,975.18 × 139,009,052,425.05
  4. Step 4: Simplify right side
    152,080,495,983.45x = 31,710,848,458,487,201,005,568
  5. Step 5: Solve for x
    x = 31,710,848,458,487,201,005,568/152,080,495,983.45
  6. Step 6: Final answer
    x = 208,513,578,637.58

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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.