Home / 122,482,270.40-183,723,405.60-83,683,140.80

Finding the Fourth Proportional to 122,482,270.40, 183,723,405.60 and 83,683,140.80

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Solution

The fourth proportional to 122,482,270.40, 183,723,405.60 and 83,683,140.80 is: 125,524,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,482,270.40 : 183,723,405.60 = 83,683,140.80 : x
  2. Step 2: Convert to fraction form
    122,482,270.40/183,723,405.60 = 83,683,140.80/x
  3. Step 3: Cross multiply
    122,482,270.40x = 183,723,405.60 × 83,683,140.80
  4. Step 4: Simplify right side
    122,482,270.40x = 15,374,551,619,080,308
  5. Step 5: Solve for x
    x = 15,374,551,619,080,308/122,482,270.40
  6. Step 6: Final answer
    x = 125,524,711.20

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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.