Home / 124,412,263.86-186,611,420.46-38,150,433.78

Finding the Fourth Proportional to 124,412,263.86, 186,611,420.46 and 38,150,433.78

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Solution

The fourth proportional to 124,412,263.86, 186,611,420.46 and 38,150,433.78 is: 57,223,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,412,263.86 : 186,611,420.46 = 38,150,433.78 : x
  2. Step 2: Convert to fraction form
    124,412,263.86/186,611,420.46 = 38,150,433.78/x
  3. Step 3: Cross multiply
    124,412,263.86x = 186,611,420.46 × 38,150,433.78
  4. Step 4: Simplify right side
    124,412,263.86x = 7,119,306,638,850,968
  5. Step 5: Solve for x
    x = 7,119,306,638,850,968/124,412,263.86
  6. Step 6: Final answer
    x = 57,223,511.72

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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.