Home / 238,511,513.80-357,790,890.30-83,041,401.70

Finding the Fourth Proportional to 238,511,513.80, 357,790,890.30 and 83,041,401.70

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Solution

The fourth proportional to 238,511,513.80, 357,790,890.30 and 83,041,401.70 is: 124,570,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,511,513.80 : 357,790,890.30 = 83,041,401.70 : x
  2. Step 2: Convert to fraction form
    238,511,513.80/357,790,890.30 = 83,041,401.70/x
  3. Step 3: Cross multiply
    238,511,513.80x = 357,790,890.30 × 83,041,401.70
  4. Step 4: Simplify right side
    238,511,513.80x = 29,711,457,046,002,936
  5. Step 5: Solve for x
    x = 29,711,457,046,002,936/238,511,513.80
  6. Step 6: Final answer
    x = 124,570,326.07

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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.