Home / 77,634,615.77-116,408,226.78-25,791,463.65

Finding the Fourth Proportional to 77,634,615.77, 116,408,226.78 and 25,791,463.65

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Solution

The fourth proportional to 77,634,615.77, 116,408,226.78 and 25,791,463.65 is: 38,672,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634,615.77 : 116,408,226.78 = 25,791,463.65 : x
  2. Step 2: Convert to fraction form
    77,634,615.77/116,408,226.78 = 25,791,463.65/x
  3. Step 3: Cross multiply
    77,634,615.77x = 116,408,226.78 × 25,791,463.65
  4. Step 4: Simplify right side
    77,634,615.77x = 3,002,338,549,557,326.50
  5. Step 5: Solve for x
    x = 3,002,338,549,557,326.50/77,634,615.77
  6. Step 6: Final answer
    x = 38,672,678.67

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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.