Home / 251,688,742.40-376,895,384.40-200,670,406.40

Finding the Fourth Proportional to 251,688,742.40, 376,895,384.40 and 200,670,406.40

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Solution

The fourth proportional to 251,688,742.40, 376,895,384.40 and 200,670,406.40 is: 300,497,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,688,742.40 : 376,895,384.40 = 200,670,406.40 : x
  2. Step 2: Convert to fraction form
    251,688,742.40/376,895,384.40 = 200,670,406.40/x
  3. Step 3: Cross multiply
    251,688,742.40x = 376,895,384.40 × 200,670,406.40
  4. Step 4: Simplify right side
    251,688,742.40x = 75,631,749,957,832,224
  5. Step 5: Solve for x
    x = 75,631,749,957,832,224/251,688,742.40
  6. Step 6: Final answer
    x = 300,497,150.71

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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.