Home / 173,972,915.20-260,959,372.80-116,642,022.40

Finding the Fourth Proportional to 173,972,915.20, 260,959,372.80 and 116,642,022.40

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Solution

The fourth proportional to 173,972,915.20, 260,959,372.80 and 116,642,022.40 is: 174,963,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,972,915.20 : 260,959,372.80 = 116,642,022.40 : x
  2. Step 2: Convert to fraction form
    173,972,915.20/260,959,372.80 = 116,642,022.40/x
  3. Step 3: Cross multiply
    173,972,915.20x = 260,959,372.80 × 116,642,022.40
  4. Step 4: Simplify right side
    173,972,915.20x = 30,438,829,007,627,552
  5. Step 5: Solve for x
    x = 30,438,829,007,627,552/173,972,915.20
  6. Step 6: Final answer
    x = 174,963,033.60

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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.