Home / 170,678,939.16-235,535,141.34-92,360,777.88

Finding the Fourth Proportional to 170,678,939.16, 235,535,141.34 and 92,360,777.88

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Solution

The fourth proportional to 170,678,939.16, 235,535,141.34 and 92,360,777.88 is: 127,456,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,678,939.16 : 235,535,141.34 = 92,360,777.88 : x
  2. Step 2: Convert to fraction form
    170,678,939.16/235,535,141.34 = 92,360,777.88/x
  3. Step 3: Cross multiply
    170,678,939.16x = 235,535,141.34 × 92,360,777.88
  4. Step 4: Simplify right side
    170,678,939.16x = 21,754,208,872,238,144
  5. Step 5: Solve for x
    x = 21,754,208,872,238,144/170,678,939.16
  6. Step 6: Final answer
    x = 127,456,902.29

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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.