Home / 118,465,307.20-177,697,960.80-98,309,915.20

Finding the Fourth Proportional to 118,465,307.20, 177,697,960.80 and 98,309,915.20

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Solution

The fourth proportional to 118,465,307.20, 177,697,960.80 and 98,309,915.20 is: 147,464,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,465,307.20 : 177,697,960.80 = 98,309,915.20 : x
  2. Step 2: Convert to fraction form
    118,465,307.20/177,697,960.80 = 98,309,915.20/x
  3. Step 3: Cross multiply
    118,465,307.20x = 177,697,960.80 × 98,309,915.20
  4. Step 4: Simplify right side
    118,465,307.20x = 17,469,471,457,460,926
  5. Step 5: Solve for x
    x = 17,469,471,457,460,926/118,465,307.20
  6. Step 6: Final answer
    x = 147,464,872.80

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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.