Home / 76,636,189.46-105,896,281.30-54,571,381.90

Finding the Fourth Proportional to 76,636,189.46, 105,896,281.30 and 54,571,381.90

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Solution

The fourth proportional to 76,636,189.46, 105,896,281.30 and 54,571,381.90 is: 75,407,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636,189.46 : 105,896,281.30 = 54,571,381.90 : x
  2. Step 2: Convert to fraction form
    76,636,189.46/105,896,281.30 = 54,571,381.90/x
  3. Step 3: Cross multiply
    76,636,189.46x = 105,896,281.30 × 54,571,381.90
  4. Step 4: Simplify right side
    76,636,189.46x = 5,778,906,408,210,959
  5. Step 5: Solve for x
    x = 5,778,906,408,210,959/76,636,189.46
  6. Step 6: Final answer
    x = 75,407,016.56

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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.