Home / 121,356,072.40-182,034,108.60-40,577,040.40

Finding the Fourth Proportional to 121,356,072.40, 182,034,108.60 and 40,577,040.40

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Solution

The fourth proportional to 121,356,072.40, 182,034,108.60 and 40,577,040.40 is: 60,865,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356,072.40 : 182,034,108.60 = 40,577,040.40 : x
  2. Step 2: Convert to fraction form
    121,356,072.40/182,034,108.60 = 40,577,040.40/x
  3. Step 3: Cross multiply
    121,356,072.40x = 182,034,108.60 × 40,577,040.40
  4. Step 4: Simplify right side
    121,356,072.40x = 7,386,405,378,840,187
  5. Step 5: Solve for x
    x = 7,386,405,378,840,187/121,356,072.40
  6. Step 6: Final answer
    x = 60,865,560.60

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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.