Home / 152,090,183.45-209,884,509.11-82,475,545.88

Finding the Fourth Proportional to 152,090,183.45, 209,884,509.11 and 82,475,545.88

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Solution

The fourth proportional to 152,090,183.45, 209,884,509.11 and 82,475,545.88 is: 113,816,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,090,183.45 : 209,884,509.11 = 82,475,545.88 : x
  2. Step 2: Convert to fraction form
    152,090,183.45/209,884,509.11 = 82,475,545.88/x
  3. Step 3: Cross multiply
    152,090,183.45x = 209,884,509.11 × 82,475,545.88
  4. Step 4: Simplify right side
    152,090,183.45x = 17,310,339,461,333,982
  5. Step 5: Solve for x
    x = 17,310,339,461,333,982/152,090,183.45
  6. Step 6: Final answer
    x = 113,816,283.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.