Home / 416,209,473.10-623,923,157.65-139,666,744.56

Finding the Fourth Proportional to 416,209,473.10, 623,923,157.65 and 139,666,744.56

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Solution

The fourth proportional to 416,209,473.10, 623,923,157.65 and 139,666,744.56 is: 209,368,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,209,473.10 : 623,923,157.65 = 139,666,744.56 : x
  2. Step 2: Convert to fraction form
    416,209,473.10/623,923,157.65 = 139,666,744.56/x
  3. Step 3: Cross multiply
    416,209,473.10x = 623,923,157.65 × 139,666,744.56
  4. Step 4: Simplify right side
    416,209,473.10x = 87,141,316,284,571,152
  5. Step 5: Solve for x
    x = 87,141,316,284,571,152/416,209,473.10
  6. Step 6: Final answer
    x = 209,368,892.15

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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.