Home / 149,503,105.20-224,254,657.80-91,808,295.60

Finding the Fourth Proportional to 149,503,105.20, 224,254,657.80 and 91,808,295.60

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Solution

The fourth proportional to 149,503,105.20, 224,254,657.80 and 91,808,295.60 is: 137,712,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,503,105.20 : 224,254,657.80 = 91,808,295.60 : x
  2. Step 2: Convert to fraction form
    149,503,105.20/224,254,657.80 = 91,808,295.60/x
  3. Step 3: Cross multiply
    149,503,105.20x = 224,254,657.80 × 91,808,295.60
  4. Step 4: Simplify right side
    149,503,105.20x = 20,588,437,912,979,244
  5. Step 5: Solve for x
    x = 20,588,437,912,979,244/149,503,105.20
  6. Step 6: Final answer
    x = 137,712,443.40

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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.