Home / 219,032,872,093.14-302,267,138,240.42-121,376,144,272.88

Finding the Fourth Proportional to 219,032,872,093.14, 302,267,138,240.42 and 121,376,144,272.88

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Solution

The fourth proportional to 219,032,872,093.14, 302,267,138,240.42 and 121,376,144,272.88 is: 167,500,062,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,032,872,093.14 : 302,267,138,240.42 = 121,376,144,272.88 : x
  2. Step 2: Convert to fraction form
    219,032,872,093.14/302,267,138,240.42 = 121,376,144,272.88/x
  3. Step 3: Cross multiply
    219,032,872,093.14x = 302,267,138,240.42 × 121,376,144,272.88
  4. Step 4: Simplify right side
    219,032,872,093.14x = 36,688,019,780,019,781,894,144
  5. Step 5: Solve for x
    x = 36,688,019,780,019,781,894,144/219,032,872,093.14
  6. Step 6: Final answer
    x = 167,500,062,567.86

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1.5x scale

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.