Home / 127,503,040.40-191,254,560.60-76,484,704.40

Finding the Fourth Proportional to 127,503,040.40, 191,254,560.60 and 76,484,704.40

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Solution

The fourth proportional to 127,503,040.40, 191,254,560.60 and 76,484,704.40 is: 114,727,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,503,040.40 : 191,254,560.60 = 76,484,704.40 : x
  2. Step 2: Convert to fraction form
    127,503,040.40/191,254,560.60 = 76,484,704.40/x
  3. Step 3: Cross multiply
    127,503,040.40x = 191,254,560.60 × 76,484,704.40
  4. Step 4: Simplify right side
    127,503,040.40x = 14,628,048,532,642,888
  5. Step 5: Solve for x
    x = 14,628,048,532,642,888/127,503,040.40
  6. Step 6: Final answer
    x = 114,727,056.60

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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.