Home / 99,651,209.80-149,476,814.70-61,188,003.40

Finding the Fourth Proportional to 99,651,209.80, 149,476,814.70 and 61,188,003.40

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Solution

The fourth proportional to 99,651,209.80, 149,476,814.70 and 61,188,003.40 is: 91,782,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,209.80 : 149,476,814.70 = 61,188,003.40 : x
  2. Step 2: Convert to fraction form
    99,651,209.80/149,476,814.70 = 61,188,003.40/x
  3. Step 3: Cross multiply
    99,651,209.80x = 149,476,814.70 × 61,188,003.40
  4. Step 4: Simplify right side
    99,651,209.80x = 9,146,187,846,084,770
  5. Step 5: Solve for x
    x = 9,146,187,846,084,770/99,651,209.80
  6. Step 6: Final answer
    x = 91,782,005.10

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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.