Home / 134,910,639.65-186,177,966.26-79,157,008.64

Finding the Fourth Proportional to 134,910,639.65, 186,177,966.26 and 79,157,008.64

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Solution

The fourth proportional to 134,910,639.65, 186,177,966.26 and 79,157,008.64 is: 109,237,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,910,639.65 : 186,177,966.26 = 79,157,008.64 : x
  2. Step 2: Convert to fraction form
    134,910,639.65/186,177,966.26 = 79,157,008.64/x
  3. Step 3: Cross multiply
    134,910,639.65x = 186,177,966.26 × 79,157,008.64
  4. Step 4: Simplify right side
    134,910,639.65x = 14,737,290,883,890,108
  5. Step 5: Solve for x
    x = 14,737,290,883,890,108/134,910,639.65
  6. Step 6: Final answer
    x = 109,237,425.02

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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.