Home / 149,402,179.20-224,145,259.20-72,727,708.80

Finding the Fourth Proportional to 149,402,179.20, 224,145,259.20 and 72,727,708.80

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Solution

The fourth proportional to 149,402,179.20, 224,145,259.20 and 72,727,708.80 is: 109,112,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,402,179.20 : 224,145,259.20 = 72,727,708.80 : x
  2. Step 2: Convert to fraction form
    149,402,179.20/224,145,259.20 = 72,727,708.80/x
  3. Step 3: Cross multiply
    149,402,179.20x = 224,145,259.20 × 72,727,708.80
  4. Step 4: Simplify right side
    149,402,179.20x = 16,301,571,139,998,120
  5. Step 5: Solve for x
    x = 16,301,571,139,998,120/149,402,179.20
  6. Step 6: Final answer
    x = 109,112,003.77

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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.