Home / 92,665,155.51-139,005,811.67-30,397,800.42

Finding the Fourth Proportional to 92,665,155.51, 139,005,811.67 and 30,397,800.42

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Solution

The fourth proportional to 92,665,155.51, 139,005,811.67 and 30,397,800.42 is: 45,599,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,665,155.51 : 139,005,811.67 = 30,397,800.42 : x
  2. Step 2: Convert to fraction form
    92,665,155.51/139,005,811.67 = 30,397,800.42/x
  3. Step 3: Cross multiply
    92,665,155.51x = 139,005,811.67 × 30,397,800.42
  4. Step 4: Simplify right side
    92,665,155.51x = 4,225,470,920,212,778
  5. Step 5: Solve for x
    x = 4,225,470,920,212,778/92,665,155.51
  6. Step 6: Final answer
    x = 45,599,350.66

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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.