Home / 132,458,972,988.84-182,792,452,833.54-72,311,942,069.16

Finding the Fourth Proportional to 132,458,972,988.84, 182,792,452,833.54 and 72,311,942,069.16

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Solution

The fourth proportional to 132,458,972,988.84, 182,792,452,833.54 and 72,311,942,069.16 is: 99,789,972,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,458,972,988.84 : 182,792,452,833.54 = 72,311,942,069.16 : x
  2. Step 2: Convert to fraction form
    132,458,972,988.84/182,792,452,833.54 = 72,311,942,069.16/x
  3. Step 3: Cross multiply
    132,458,972,988.84x = 182,792,452,833.54 × 72,311,942,069.16
  4. Step 4: Simplify right side
    132,458,972,988.84x = 13,218,077,259,978,606,903,296
  5. Step 5: Solve for x
    x = 13,218,077,259,978,606,903,296/132,458,972,988.84
  6. Step 6: Final answer
    x = 99,789,972,409.74

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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.