Home / 125,318,121.84-187,931,255.76-43,415,846.64

Finding the Fourth Proportional to 125,318,121.84, 187,931,255.76 and 43,415,846.64

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Solution

The fourth proportional to 125,318,121.84, 187,931,255.76 and 43,415,846.64 is: 65,107,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,318,121.84 : 187,931,255.76 = 43,415,846.64 : x
  2. Step 2: Convert to fraction form
    125,318,121.84/187,931,255.76 = 43,415,846.64/x
  3. Step 3: Cross multiply
    125,318,121.84x = 187,931,255.76 × 43,415,846.64
  4. Step 4: Simplify right side
    125,318,121.84x = 8,159,194,578,938,776
  5. Step 5: Solve for x
    x = 8,159,194,578,938,776/125,318,121.84
  6. Step 6: Final answer
    x = 65,107,858.78

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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.