Home / 185,139,516.88-255,482,768.55-105,738,968.53

Finding the Fourth Proportional to 185,139,516.88, 255,482,768.55 and 105,738,968.53

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Solution

The fourth proportional to 185,139,516.88, 255,482,768.55 and 105,738,968.53 is: 145,914,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,139,516.88 : 255,482,768.55 = 105,738,968.53 : x
  2. Step 2: Convert to fraction form
    185,139,516.88/255,482,768.55 = 105,738,968.53/x
  3. Step 3: Cross multiply
    185,139,516.88x = 255,482,768.55 × 105,738,968.53
  4. Step 4: Simplify right side
    185,139,516.88x = 27,014,484,423,665,724
  5. Step 5: Solve for x
    x = 27,014,484,423,665,724/185,139,516.88
  6. Step 6: Final answer
    x = 145,914,199.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.