Home / 107,685,438.86-161,568,867.28-42,153,410.94

Finding the Fourth Proportional to 107,685,438.86, 161,568,867.28 and 42,153,410.94

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Solution

The fourth proportional to 107,685,438.86, 161,568,867.28 and 42,153,410.94 is: 63,246,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685,438.86 : 161,568,867.28 = 42,153,410.94 : x
  2. Step 2: Convert to fraction form
    107,685,438.86/161,568,867.28 = 42,153,410.94/x
  3. Step 3: Cross multiply
    107,685,438.86x = 161,568,867.28 × 42,153,410.94
  4. Step 4: Simplify right side
    107,685,438.86x = 6,810,678,857,564,160
  5. Step 5: Solve for x
    x = 6,810,678,857,564,160/107,685,438.86
  6. Step 6: Final answer
    x = 63,246,051.92

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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.