Home / 307,584,043.20-461,376,064.80-161,818,257.60

Finding the Fourth Proportional to 307,584,043.20, 461,376,064.80 and 161,818,257.60

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Solution

The fourth proportional to 307,584,043.20, 461,376,064.80 and 161,818,257.60 is: 242,727,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,584,043.20 : 461,376,064.80 = 161,818,257.60 : x
  2. Step 2: Convert to fraction form
    307,584,043.20/461,376,064.80 = 161,818,257.60/x
  3. Step 3: Cross multiply
    307,584,043.20x = 461,376,064.80 × 161,818,257.60
  4. Step 4: Simplify right side
    307,584,043.20x = 74,659,070,904,280,688
  5. Step 5: Solve for x
    x = 74,659,070,904,280,688/307,584,043.20
  6. Step 6: Final answer
    x = 242,727,386.40

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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.