Home / 153,617,994,209.55-211,988,229,788.29-85,032,218,628.61

Finding the Fourth Proportional to 153,617,994,209.55, 211,988,229,788.29 and 85,032,218,628.61

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Solution

The fourth proportional to 153,617,994,209.55, 211,988,229,788.29 and 85,032,218,628.61 is: 117,341,914,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,617,994,209.55 : 211,988,229,788.29 = 85,032,218,628.61 : x
  2. Step 2: Convert to fraction form
    153,617,994,209.55/211,988,229,788.29 = 85,032,218,628.61/x
  3. Step 3: Cross multiply
    153,617,994,209.55x = 211,988,229,788.29 × 85,032,218,628.61
  4. Step 4: Simplify right side
    153,617,994,209.55x = 18,025,829,502,049,044,135,936
  5. Step 5: Solve for x
    x = 18,025,829,502,049,044,135,936/153,617,994,209.55
  6. Step 6: Final answer
    x = 117,341,914,238.64

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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.