Home / 145,155,278.40-217,732,917.60-140,228,404.80

Finding the Fourth Proportional to 145,155,278.40, 217,732,917.60 and 140,228,404.80

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Solution

The fourth proportional to 145,155,278.40, 217,732,917.60 and 140,228,404.80 is: 210,342,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,278.40 : 217,732,917.60 = 140,228,404.80 : x
  2. Step 2: Convert to fraction form
    145,155,278.40/217,732,917.60 = 140,228,404.80/x
  3. Step 3: Cross multiply
    145,155,278.40x = 217,732,917.60 × 140,228,404.80
  4. Step 4: Simplify right side
    145,155,278.40x = 30,532,339,707,497,848
  5. Step 5: Solve for x
    x = 30,532,339,707,497,848/145,155,278.40
  6. Step 6: Final answer
    x = 210,342,607.20

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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.