Home / 133,338,579,755.51-184,007,376,244.39-72,370,959,539.62

Finding the Fourth Proportional to 133,338,579,755.51, 184,007,376,244.39 and 72,370,959,539.62

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Solution

The fourth proportional to 133,338,579,755.51, 184,007,376,244.39 and 72,370,959,539.62 is: 99,871,998,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338,579,755.51 : 184,007,376,244.39 = 72,370,959,539.62 : x
  2. Step 2: Convert to fraction form
    133,338,579,755.51/184,007,376,244.39 = 72,370,959,539.62/x
  3. Step 3: Cross multiply
    133,338,579,755.51x = 184,007,376,244.39 × 72,370,959,539.62
  4. Step 4: Simplify right side
    133,338,579,755.51x = 13,316,790,381,173,465,415,680
  5. Step 5: Solve for x
    x = 13,316,790,381,173,465,415,680/133,338,579,755.51
  6. Step 6: Final answer
    x = 99,871,998,078.81

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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.