Home / 149,767,240.80-224,650,861.20-73,139,426.40

Finding the Fourth Proportional to 149,767,240.80, 224,650,861.20 and 73,139,426.40

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Solution

The fourth proportional to 149,767,240.80, 224,650,861.20 and 73,139,426.40 is: 109,709,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,767,240.80 : 224,650,861.20 = 73,139,426.40 : x
  2. Step 2: Convert to fraction form
    149,767,240.80/224,650,861.20 = 73,139,426.40/x
  3. Step 3: Cross multiply
    149,767,240.80x = 224,650,861.20 × 73,139,426.40
  4. Step 4: Simplify right side
    149,767,240.80x = 16,430,835,128,434,016
  5. Step 5: Solve for x
    x = 16,430,835,128,434,016/149,767,240.80
  6. Step 6: Final answer
    x = 109,709,139.60

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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.