Home / 149,819,405.60-224,729,108.40-76,934,568.80

Finding the Fourth Proportional to 149,819,405.60, 224,729,108.40 and 76,934,568.80

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Solution

The fourth proportional to 149,819,405.60, 224,729,108.40 and 76,934,568.80 is: 115,401,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,819,405.60 : 224,729,108.40 = 76,934,568.80 : x
  2. Step 2: Convert to fraction form
    149,819,405.60/224,729,108.40 = 76,934,568.80/x
  3. Step 3: Cross multiply
    149,819,405.60x = 224,729,108.40 × 76,934,568.80
  4. Step 4: Simplify right side
    149,819,405.60x = 17,289,437,051,562,458
  5. Step 5: Solve for x
    x = 17,289,437,051,562,458/149,819,405.60
  6. Step 6: Final answer
    x = 115,401,853.20

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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.