Home / 70,360,020.69-105,391,556.79-56,451,678.68

Finding the Fourth Proportional to 70,360,020.69, 105,391,556.79 and 56,451,678.68

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Solution

The fourth proportional to 70,360,020.69, 105,391,556.79 and 56,451,678.68 is: 84,558,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360,020.69 : 105,391,556.79 = 56,451,678.68 : x
  2. Step 2: Convert to fraction form
    70,360,020.69/105,391,556.79 = 56,451,678.68/x
  3. Step 3: Cross multiply
    70,360,020.69x = 105,391,556.79 × 56,451,678.68
  4. Step 4: Simplify right side
    70,360,020.69x = 5,949,530,299,494,053
  5. Step 5: Solve for x
    x = 5,949,530,299,494,053/70,360,020.69
  6. Step 6: Final answer
    x = 84,558,393.26

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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.