Home / 107,770,154.60-161,655,231.90-53,208,878.60

Finding the Fourth Proportional to 107,770,154.60, 161,655,231.90 and 53,208,878.60

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Solution

The fourth proportional to 107,770,154.60, 161,655,231.90 and 53,208,878.60 is: 79,813,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,770,154.60 : 161,655,231.90 = 53,208,878.60 : x
  2. Step 2: Convert to fraction form
    107,770,154.60/161,655,231.90 = 53,208,878.60/x
  3. Step 3: Cross multiply
    107,770,154.60x = 161,655,231.90 × 53,208,878.60
  4. Step 4: Simplify right side
    107,770,154.60x = 8,601,493,609,221,948
  5. Step 5: Solve for x
    x = 8,601,493,609,221,948/107,770,154.60
  6. Step 6: Final answer
    x = 79,813,317.90

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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.