Home / 189,901,840.80-284,852,761.20-177,147,256.80

Finding the Fourth Proportional to 189,901,840.80, 284,852,761.20 and 177,147,256.80

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Solution

The fourth proportional to 189,901,840.80, 284,852,761.20 and 177,147,256.80 is: 265,720,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,901,840.80 : 284,852,761.20 = 177,147,256.80 : x
  2. Step 2: Convert to fraction form
    189,901,840.80/284,852,761.20 = 177,147,256.80/x
  3. Step 3: Cross multiply
    189,901,840.80x = 284,852,761.20 × 177,147,256.80
  4. Step 4: Simplify right side
    189,901,840.80x = 50,460,885,238,485,480
  5. Step 5: Solve for x
    x = 50,460,885,238,485,480/189,901,840.80
  6. Step 6: Final answer
    x = 265,720,885.20

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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.