Home / 103,155,408,913.74-154,803,793,282.86-36,002,653,945.92

Finding the Fourth Proportional to 103,155,408,913.74, 154,803,793,282.86 and 36,002,653,945.92

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Solution

The fourth proportional to 103,155,408,913.74, 154,803,793,282.86 and 36,002,653,945.92 is: 54,028,649,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,155,408,913.74 : 154,803,793,282.86 = 36,002,653,945.92 : x
  2. Step 2: Convert to fraction form
    103,155,408,913.74/154,803,793,282.86 = 36,002,653,945.92/x
  3. Step 3: Cross multiply
    103,155,408,913.74x = 154,803,793,282.86 × 36,002,653,945.92
  4. Step 4: Simplify right side
    103,155,408,913.74x = 5,573,347,399,078,543,097,856
  5. Step 5: Solve for x
    x = 5,573,347,399,078,543,097,856/103,155,408,913.74
  6. Step 6: Final answer
    x = 54,028,649,178.63

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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.