Home / 128,092,644.88-176,767,933.33-69,355,349.79

Finding the Fourth Proportional to 128,092,644.88, 176,767,933.33 and 69,355,349.79

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Solution

The fourth proportional to 128,092,644.88, 176,767,933.33 and 69,355,349.79 is: 95,710,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,092,644.88 : 176,767,933.33 = 69,355,349.79 : x
  2. Step 2: Convert to fraction form
    128,092,644.88/176,767,933.33 = 69,355,349.79/x
  3. Step 3: Cross multiply
    128,092,644.88x = 176,767,933.33 × 69,355,349.79
  4. Step 4: Simplify right side
    128,092,644.88x = 12,259,801,847,181,364
  5. Step 5: Solve for x
    x = 12,259,801,847,181,364/128,092,644.88
  6. Step 6: Final answer
    x = 95,710,427.86

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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.