Home / 132,458,972,987.84-182,792,452,832.16-72,311,942,068.16

Finding the Fourth Proportional to 132,458,972,987.84, 182,792,452,832.16 and 72,311,942,068.16

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Solution

The fourth proportional to 132,458,972,987.84, 182,792,452,832.16 and 72,311,942,068.16 is: 99,789,972,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,458,972,987.84 : 182,792,452,832.16 = 72,311,942,068.16 : x
  2. Step 2: Convert to fraction form
    132,458,972,987.84/182,792,452,832.16 = 72,311,942,068.16/x
  3. Step 3: Cross multiply
    132,458,972,987.84x = 182,792,452,832.16 × 72,311,942,068.16
  4. Step 4: Simplify right side
    132,458,972,987.84x = 13,218,077,259,696,024,059,904
  5. Step 5: Solve for x
    x = 13,218,077,259,696,024,059,904/132,458,972,987.84
  6. Step 6: Final answer
    x = 99,789,972,408.36

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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.