Home / 90,127,507.15-124,375,992.93-48,874,388.59

Finding the Fourth Proportional to 90,127,507.15, 124,375,992.93 and 48,874,388.59

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Solution

The fourth proportional to 90,127,507.15, 124,375,992.93 and 48,874,388.59 is: 67,446,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127,507.15 : 124,375,992.93 = 48,874,388.59 : x
  2. Step 2: Convert to fraction form
    90,127,507.15/124,375,992.93 = 48,874,388.59/x
  3. Step 3: Cross multiply
    90,127,507.15x = 124,375,992.93 × 48,874,388.59
  4. Step 4: Simplify right side
    90,127,507.15x = 6,078,800,609,727,913
  5. Step 5: Solve for x
    x = 6,078,800,609,727,913/90,127,507.15
  6. Step 6: Final answer
    x = 67,446,674.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.