Home / 117,431,077.20-176,146,615.80-73,782,056.40

Finding the Fourth Proportional to 117,431,077.20, 176,146,615.80 and 73,782,056.40

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Solution

The fourth proportional to 117,431,077.20, 176,146,615.80 and 73,782,056.40 is: 110,673,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431,077.20 : 176,146,615.80 = 73,782,056.40 : x
  2. Step 2: Convert to fraction form
    117,431,077.20/176,146,615.80 = 73,782,056.40/x
  3. Step 3: Cross multiply
    117,431,077.20x = 176,146,615.80 × 73,782,056.40
  4. Step 4: Simplify right side
    117,431,077.20x = 12,996,459,541,624,734
  5. Step 5: Solve for x
    x = 12,996,459,541,624,734/117,431,077.20
  6. Step 6: Final answer
    x = 110,673,084.60

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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.