Home / 76,598,066.70-105,705,188.10-41,790,780.72

Finding the Fourth Proportional to 76,598,066.70, 105,705,188.10 and 41,790,780.72

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Solution

The fourth proportional to 76,598,066.70, 105,705,188.10 and 41,790,780.72 is: 57,671,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,598,066.70 : 105,705,188.10 = 41,790,780.72 : x
  2. Step 2: Convert to fraction form
    76,598,066.70/105,705,188.10 = 41,790,780.72/x
  3. Step 3: Cross multiply
    76,598,066.70x = 105,705,188.10 × 41,790,780.72
  4. Step 4: Simplify right side
    76,598,066.70x = 4,417,502,336,853,453
  5. Step 5: Solve for x
    x = 4,417,502,336,853,453/76,598,066.70
  6. Step 6: Final answer
    x = 57,671,198.86

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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.