Home / 149,139,286.34-223,695,126.54-70,337,724.87

Finding the Fourth Proportional to 149,139,286.34, 223,695,126.54 and 70,337,724.87

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Solution

The fourth proportional to 149,139,286.34, 223,695,126.54 and 70,337,724.87 is: 105,500,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,139,286.34 : 223,695,126.54 = 70,337,724.87 : x
  2. Step 2: Convert to fraction form
    149,139,286.34/223,695,126.54 = 70,337,724.87/x
  3. Step 3: Cross multiply
    149,139,286.34x = 223,695,126.54 × 70,337,724.87
  4. Step 4: Simplify right side
    149,139,286.34x = 15,734,206,265,330,356
  5. Step 5: Solve for x
    x = 15,734,206,265,330,356/149,139,286.34
  6. Step 6: Final answer
    x = 105,500,077.49

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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.