Home / 98,936,731.80-148,405,097.70-74,384,157.60

Finding the Fourth Proportional to 98,936,731.80, 148,405,097.70 and 74,384,157.60

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Solution

The fourth proportional to 98,936,731.80, 148,405,097.70 and 74,384,157.60 is: 111,576,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936,731.80 : 148,405,097.70 = 74,384,157.60 : x
  2. Step 2: Convert to fraction form
    98,936,731.80/148,405,097.70 = 74,384,157.60/x
  3. Step 3: Cross multiply
    98,936,731.80x = 148,405,097.70 × 74,384,157.60
  4. Step 4: Simplify right side
    98,936,731.80x = 11,038,988,175,960,196
  5. Step 5: Solve for x
    x = 11,038,988,175,960,196/98,936,731.80
  6. Step 6: Final answer
    x = 111,576,236.40

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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.