Home / 149,139,285.84-223,695,125.79-70,337,724.37

Finding the Fourth Proportional to 149,139,285.84, 223,695,125.79 and 70,337,724.37

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Solution

The fourth proportional to 149,139,285.84, 223,695,125.79 and 70,337,724.37 is: 105,500,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,139,285.84 : 223,695,125.79 = 70,337,724.37 : x
  2. Step 2: Convert to fraction form
    149,139,285.84/223,695,125.79 = 70,337,724.37/x
  3. Step 3: Cross multiply
    149,139,285.84x = 223,695,125.79 × 70,337,724.37
  4. Step 4: Simplify right side
    149,139,285.84x = 15,734,206,100,729,498
  5. Step 5: Solve for x
    x = 15,734,206,100,729,498/149,139,285.84
  6. Step 6: Final answer
    x = 105,500,076.74

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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.