Home / 98,496,689.40-147,745,034.10-57,682,020.60

Finding the Fourth Proportional to 98,496,689.40, 147,745,034.10 and 57,682,020.60

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Solution

The fourth proportional to 98,496,689.40, 147,745,034.10 and 57,682,020.60 is: 86,523,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,689.40 : 147,745,034.10 = 57,682,020.60 : x
  2. Step 2: Convert to fraction form
    98,496,689.40/147,745,034.10 = 57,682,020.60/x
  3. Step 3: Cross multiply
    98,496,689.40x = 147,745,034.10 × 57,682,020.60
  4. Step 4: Simplify right side
    98,496,689.40x = 8,522,232,100,503,902
  5. Step 5: Solve for x
    x = 8,522,232,100,503,902/98,496,689.40
  6. Step 6: Final answer
    x = 86,523,030.90

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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.