Home / 105,014,621.40-157,269,989.70-51,098,947.80

Finding the Fourth Proportional to 105,014,621.40, 157,269,989.70 and 51,098,947.80

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Solution

The fourth proportional to 105,014,621.40, 157,269,989.70 and 51,098,947.80 is: 76,525,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,621.40 : 157,269,989.70 = 51,098,947.80 : x
  2. Step 2: Convert to fraction form
    105,014,621.40/157,269,989.70 = 51,098,947.80/x
  3. Step 3: Cross multiply
    105,014,621.40x = 157,269,989.70 × 51,098,947.80
  4. Step 4: Simplify right side
    105,014,621.40x = 8,036,330,994,186,837
  5. Step 5: Solve for x
    x = 8,036,330,994,186,837/105,014,621.40
  6. Step 6: Final answer
    x = 76,525,829.33

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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.