Home / 102,129,682.68-153,178,079.82-29,329,905.14

Finding the Fourth Proportional to 102,129,682.68, 153,178,079.82 and 29,329,905.14

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Solution

The fourth proportional to 102,129,682.68, 153,178,079.82 and 29,329,905.14 is: 43,990,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,129,682.68 : 153,178,079.82 = 29,329,905.14 : x
  2. Step 2: Convert to fraction form
    102,129,682.68/153,178,079.82 = 29,329,905.14/x
  3. Step 3: Cross multiply
    102,129,682.68x = 153,178,079.82 × 29,329,905.14
  4. Step 4: Simplify right side
    102,129,682.68x = 4,492,698,550,647,948
  5. Step 5: Solve for x
    x = 4,492,698,550,647,948/102,129,682.68
  6. Step 6: Final answer
    x = 43,990,135.22

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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.