Home / 289,108,034.65-433,662,039.83-84,636,109.09

Finding the Fourth Proportional to 289,108,034.65, 433,662,039.83 and 84,636,109.09

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Solution

The fourth proportional to 289,108,034.65, 433,662,039.83 and 84,636,109.09 is: 126,954,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,108,034.65 : 433,662,039.83 = 84,636,109.09 : x
  2. Step 2: Convert to fraction form
    289,108,034.65/433,662,039.83 = 84,636,109.09/x
  3. Step 3: Cross multiply
    289,108,034.65x = 433,662,039.83 × 84,636,109.09
  4. Step 4: Simplify right side
    289,108,034.65x = 36,703,467,711,243,808
  5. Step 5: Solve for x
    x = 36,703,467,711,243,808/289,108,034.65
  6. Step 6: Final answer
    x = 126,954,160.08

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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.