Home / 76,124,716.35-105,244,228.91-56,247,130.37

Finding the Fourth Proportional to 76,124,716.35, 105,244,228.91 and 56,247,130.37

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Solution

The fourth proportional to 76,124,716.35, 105,244,228.91 and 56,247,130.37 is: 77,762,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124,716.35 : 105,244,228.91 = 56,247,130.37 : x
  2. Step 2: Convert to fraction form
    76,124,716.35/105,244,228.91 = 56,247,130.37/x
  3. Step 3: Cross multiply
    76,124,716.35x = 105,244,228.91 × 56,247,130.37
  4. Step 4: Simplify right side
    76,124,716.35x = 5,919,685,863,805,290
  5. Step 5: Solve for x
    x = 5,919,685,863,805,290/76,124,716.35
  6. Step 6: Final answer
    x = 77,762,994.04

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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.