Home / 289,108,033.65-433,662,038.33-84,636,108.09

Finding the Fourth Proportional to 289,108,033.65, 433,662,038.33 and 84,636,108.09

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Solution

The fourth proportional to 289,108,033.65, 433,662,038.33 and 84,636,108.09 is: 126,954,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,108,033.65 : 433,662,038.33 = 84,636,108.09 : x
  2. Step 2: Convert to fraction form
    289,108,033.65/433,662,038.33 = 84,636,108.09/x
  3. Step 3: Cross multiply
    289,108,033.65x = 433,662,038.33 × 84,636,108.09
  4. Step 4: Simplify right side
    289,108,033.65x = 36,703,467,150,204,424
  5. Step 5: Solve for x
    x = 36,703,467,150,204,424/289,108,033.65
  6. Step 6: Final answer
    x = 126,954,158.58

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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.