Home / 443,232,912.90-664,849,369.35-136,485,167.70

Finding the Fourth Proportional to 443,232,912.90, 664,849,369.35 and 136,485,167.70

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Solution

The fourth proportional to 443,232,912.90, 664,849,369.35 and 136,485,167.70 is: 204,727,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,912.90 : 664,849,369.35 = 136,485,167.70 : x
  2. Step 2: Convert to fraction form
    443,232,912.90/664,849,369.35 = 136,485,167.70/x
  3. Step 3: Cross multiply
    443,232,912.90x = 664,849,369.35 × 136,485,167.70
  4. Step 4: Simplify right side
    443,232,912.90x = 90,742,077,670,973,984
  5. Step 5: Solve for x
    x = 90,742,077,670,973,984/443,232,912.90
  6. Step 6: Final answer
    x = 204,727,751.55

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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.