Home / 145,524,432.62-200,823,246.59-79,445,747.58

Finding the Fourth Proportional to 145,524,432.62, 200,823,246.59 and 79,445,747.58

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Solution

The fourth proportional to 145,524,432.62, 200,823,246.59 and 79,445,747.58 is: 109,634,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,524,432.62 : 200,823,246.59 = 79,445,747.58 : x
  2. Step 2: Convert to fraction form
    145,524,432.62/200,823,246.59 = 79,445,747.58/x
  3. Step 3: Cross multiply
    145,524,432.62x = 200,823,246.59 × 79,445,747.58
  4. Step 4: Simplify right side
    145,524,432.62x = 15,954,552,956,388,008
  5. Step 5: Solve for x
    x = 15,954,552,956,388,008/145,524,432.62
  6. Step 6: Final answer
    x = 109,634,874.84

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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.