Home / 251,241,120.65-376,861,817.67-78,731,435.45

Finding the Fourth Proportional to 251,241,120.65, 376,861,817.67 and 78,731,435.45

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Solution

The fourth proportional to 251,241,120.65, 376,861,817.67 and 78,731,435.45 is: 118,097,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,241,120.65 : 376,861,817.67 = 78,731,435.45 : x
  2. Step 2: Convert to fraction form
    251,241,120.65/376,861,817.67 = 78,731,435.45/x
  3. Step 3: Cross multiply
    251,241,120.65x = 376,861,817.67 × 78,731,435.45
  4. Step 4: Simplify right side
    251,241,120.65x = 29,670,871,871,455,276
  5. Step 5: Solve for x
    x = 29,670,871,871,455,276/251,241,120.65
  6. Step 6: Final answer
    x = 118,097,196.01

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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.