Home / 143,509,505.86-198,104,334.28-96,493,830.92

Finding the Fourth Proportional to 143,509,505.86, 198,104,334.28 and 96,493,830.92

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Solution

The fourth proportional to 143,509,505.86, 198,104,334.28 and 96,493,830.92 is: 133,202,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,509,505.86 : 198,104,334.28 = 96,493,830.92 : x
  2. Step 2: Convert to fraction form
    143,509,505.86/198,104,334.28 = 96,493,830.92/x
  3. Step 3: Cross multiply
    143,509,505.86x = 198,104,334.28 × 96,493,830.92
  4. Step 4: Simplify right side
    143,509,505.86x = 19,115,846,136,533,480
  5. Step 5: Solve for x
    x = 19,115,846,136,533,480/143,509,505.86
  6. Step 6: Final answer
    x = 133,202,647.60

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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.