Home / 99,696,536.80-149,565,022.80-56,586,392.80

Finding the Fourth Proportional to 99,696,536.80, 149,565,022.80 and 56,586,392.80

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Solution

The fourth proportional to 99,696,536.80, 149,565,022.80 and 56,586,392.80 is: 84,891,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,536.80 : 149,565,022.80 = 56,586,392.80 : x
  2. Step 2: Convert to fraction form
    99,696,536.80/149,565,022.80 = 56,586,392.80/x
  3. Step 3: Cross multiply
    99,696,536.80x = 149,565,022.80 × 56,586,392.80
  4. Step 4: Simplify right side
    99,696,536.80x = 8,463,345,129,301,756
  5. Step 5: Solve for x
    x = 8,463,345,129,301,756/99,696,536.80
  6. Step 6: Final answer
    x = 84,891,064.43

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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.