Home / 177,286,692.96-266,333,603.16-128,253,787.20

Finding the Fourth Proportional to 177,286,692.96, 266,333,603.16 and 128,253,787.20

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Solution

The fourth proportional to 177,286,692.96, 266,333,603.16 and 128,253,787.20 is: 192,672,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,286,692.96 : 266,333,603.16 = 128,253,787.20 : x
  2. Step 2: Convert to fraction form
    177,286,692.96/266,333,603.16 = 128,253,787.20/x
  3. Step 3: Cross multiply
    177,286,692.96x = 266,333,603.16 × 128,253,787.20
  4. Step 4: Simplify right side
    177,286,692.96x = 34,158,293,263,891,888
  5. Step 5: Solve for x
    x = 34,158,293,263,891,888/177,286,692.96
  6. Step 6: Final answer
    x = 192,672,629.25

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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.