Home / 279,936,738.40-419,849,120.40-134,370,018.40

Finding the Fourth Proportional to 279,936,738.40, 419,849,120.40 and 134,370,018.40

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Solution

The fourth proportional to 279,936,738.40, 419,849,120.40 and 134,370,018.40 is: 201,528,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,738.40 : 419,849,120.40 = 134,370,018.40 : x
  2. Step 2: Convert to fraction form
    279,936,738.40/419,849,120.40 = 134,370,018.40/x
  3. Step 3: Cross multiply
    279,936,738.40x = 419,849,120.40 × 134,370,018.40
  4. Step 4: Simplify right side
    279,936,738.40x = 56,415,134,033,371,816
  5. Step 5: Solve for x
    x = 56,415,134,033,371,816/279,936,738.40
  6. Step 6: Final answer
    x = 201,528,153.67

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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.