Home / 251,681,280.93-377,521,948.74-76,805,231.67

Finding the Fourth Proportional to 251,681,280.93, 377,521,948.74 and 76,805,231.67

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Solution

The fourth proportional to 251,681,280.93, 377,521,948.74 and 76,805,231.67 is: 115,207,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,681,280.93 : 377,521,948.74 = 76,805,231.67 : x
  2. Step 2: Convert to fraction form
    251,681,280.93/377,521,948.74 = 76,805,231.67/x
  3. Step 3: Cross multiply
    251,681,280.93x = 377,521,948.74 × 76,805,231.67
  4. Step 4: Simplify right side
    251,681,280.93x = 28,995,660,733,485,568
  5. Step 5: Solve for x
    x = 28,995,660,733,485,568/251,681,280.93
  6. Step 6: Final answer
    x = 115,207,855.85

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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.