Home / 152,957,169,243.95-211,081,549,789.68-83,434,325,179.58

Finding the Fourth Proportional to 152,957,169,243.95, 211,081,549,789.68 and 83,434,325,179.58

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Solution

The fourth proportional to 152,957,169,243.95, 211,081,549,789.68 and 83,434,325,179.58 is: 115,139,726,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,957,169,243.95 : 211,081,549,789.68 = 83,434,325,179.58 : x
  2. Step 2: Convert to fraction form
    152,957,169,243.95/211,081,549,789.68 = 83,434,325,179.58/x
  3. Step 3: Cross multiply
    152,957,169,243.95x = 211,081,549,789.68 × 83,434,325,179.58
  4. Step 4: Simplify right side
    152,957,169,243.95x = 17,611,446,664,561,023,778,816
  5. Step 5: Solve for x
    x = 17,611,446,664,561,023,778,816/152,957,169,243.95
  6. Step 6: Final answer
    x = 115,139,726,706.58

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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.