Home / 281,956,160.72-422,932,535.22-153,380,899.82

Finding the Fourth Proportional to 281,956,160.72, 422,932,535.22 and 153,380,899.82

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Solution

The fourth proportional to 281,956,160.72, 422,932,535.22 and 153,380,899.82 is: 230,070,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,956,160.72 : 422,932,535.22 = 153,380,899.82 : x
  2. Step 2: Convert to fraction form
    281,956,160.72/422,932,535.22 = 153,380,899.82/x
  3. Step 3: Cross multiply
    281,956,160.72x = 422,932,535.22 × 153,380,899.82
  4. Step 4: Simplify right side
    281,956,160.72x = 64,869,772,816,829,944
  5. Step 5: Solve for x
    x = 64,869,772,816,829,944/281,956,160.72
  6. Step 6: Final answer
    x = 230,070,421.77

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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.