Home / 416,209,472.85-623,923,157.27-139,666,744.31

Finding the Fourth Proportional to 416,209,472.85, 623,923,157.27 and 139,666,744.31

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Solution

The fourth proportional to 416,209,472.85, 623,923,157.27 and 139,666,744.31 is: 209,368,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,209,472.85 : 623,923,157.27 = 139,666,744.31 : x
  2. Step 2: Convert to fraction form
    416,209,472.85/623,923,157.27 = 139,666,744.31/x
  3. Step 3: Cross multiply
    416,209,472.85x = 623,923,157.27 × 139,666,744.31
  4. Step 4: Simplify right side
    416,209,472.85x = 87,141,316,072,746,576
  5. Step 5: Solve for x
    x = 87,141,316,072,746,576/416,209,472.85
  6. Step 6: Final answer
    x = 209,368,891.76

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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.