Home / 143,144,160.80-214,464,298.80-122,988,768.80

Finding the Fourth Proportional to 143,144,160.80, 214,464,298.80 and 122,988,768.80

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Solution

The fourth proportional to 143,144,160.80, 214,464,298.80 and 122,988,768.80 is: 184,266,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,144,160.80 : 214,464,298.80 = 122,988,768.80 : x
  2. Step 2: Convert to fraction form
    143,144,160.80/214,464,298.80 = 122,988,768.80/x
  3. Step 3: Cross multiply
    143,144,160.80x = 214,464,298.80 × 122,988,768.80
  4. Step 4: Simplify right side
    143,144,160.80x = 26,376,700,060,967,320
  5. Step 5: Solve for x
    x = 26,376,700,060,967,320/143,144,160.80
  6. Step 6: Final answer
    x = 184,266,685.51

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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.