Home / 197,678,063.70-272,703,457.89-124,379,621.46

Finding the Fourth Proportional to 197,678,063.70, 272,703,457.89 and 124,379,621.46

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Solution

The fourth proportional to 197,678,063.70, 272,703,457.89 and 124,379,621.46 is: 171,585,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678,063.70 : 272,703,457.89 = 124,379,621.46 : x
  2. Step 2: Convert to fraction form
    197,678,063.70/272,703,457.89 = 124,379,621.46/x
  3. Step 3: Cross multiply
    197,678,063.70x = 272,703,457.89 × 124,379,621.46
  4. Step 4: Simplify right side
    197,678,063.70x = 33,918,752,863,191,248
  5. Step 5: Solve for x
    x = 33,918,752,863,191,248/197,678,063.70
  6. Step 6: Final answer
    x = 171,585,821.05

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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.