Home / 218,878,397.60-302,049,949.20-121,093,953.44

Finding the Fourth Proportional to 218,878,397.60, 302,049,949.20 and 121,093,953.44

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Solution

The fourth proportional to 218,878,397.60, 302,049,949.20 and 121,093,953.44 is: 167,108,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,878,397.60 : 302,049,949.20 = 121,093,953.44 : x
  2. Step 2: Convert to fraction form
    218,878,397.60/302,049,949.20 = 121,093,953.44/x
  3. Step 3: Cross multiply
    218,878,397.60x = 302,049,949.20 × 121,093,953.44
  4. Step 4: Simplify right side
    218,878,397.60x = 36,576,422,484,979,160
  5. Step 5: Solve for x
    x = 36,576,422,484,979,160/218,878,397.60
  6. Step 6: Final answer
    x = 167,108,416.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.