Home / 99,696,589.80-149,565,102.30-56,586,445.80

Finding the Fourth Proportional to 99,696,589.80, 149,565,102.30 and 56,586,445.80

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Solution

The fourth proportional to 99,696,589.80, 149,565,102.30 and 56,586,445.80 is: 84,891,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,589.80 : 149,565,102.30 = 56,586,445.80 : x
  2. Step 2: Convert to fraction form
    99,696,589.80/149,565,102.30 = 56,586,445.80/x
  3. Step 3: Cross multiply
    99,696,589.80x = 149,565,102.30 × 56,586,445.80
  4. Step 4: Simplify right side
    99,696,589.80x = 8,463,357,554,870,406
  5. Step 5: Solve for x
    x = 8,463,357,554,870,406/99,696,589.80
  6. Step 6: Final answer
    x = 84,891,143.94

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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.