Home / 70,105,208.86-96,740,119.77-38,742,882.54

Finding the Fourth Proportional to 70,105,208.86, 96,740,119.77 and 38,742,882.54

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Solution

The fourth proportional to 70,105,208.86, 96,740,119.77 and 38,742,882.54 is: 53,462,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105,208.86 : 96,740,119.77 = 38,742,882.54 : x
  2. Step 2: Convert to fraction form
    70,105,208.86/96,740,119.77 = 38,742,882.54/x
  3. Step 3: Cross multiply
    70,105,208.86x = 96,740,119.77 × 38,742,882.54
  4. Step 4: Simplify right side
    70,105,208.86x = 3,747,991,097,190,743.50
  5. Step 5: Solve for x
    x = 3,747,991,097,190,743.50/70,105,208.86
  6. Step 6: Final answer
    x = 53,462,376.88

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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.