Home / 177,144,328.80-265,716,493.20-81,592,840.80

Finding the Fourth Proportional to 177,144,328.80, 265,716,493.20 and 81,592,840.80

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Solution

The fourth proportional to 177,144,328.80, 265,716,493.20 and 81,592,840.80 is: 122,389,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,144,328.80 : 265,716,493.20 = 81,592,840.80 : x
  2. Step 2: Convert to fraction form
    177,144,328.80/265,716,493.20 = 81,592,840.80/x
  3. Step 3: Cross multiply
    177,144,328.80x = 265,716,493.20 × 81,592,840.80
  4. Step 4: Simplify right side
    177,144,328.80x = 21,680,563,527,601,880
  5. Step 5: Solve for x
    x = 21,680,563,527,601,880/177,144,328.80
  6. Step 6: Final answer
    x = 122,389,261.20

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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.