Home / 132,980,154,627.39-183,512,790,356.70-72,012,626,986.79

Finding the Fourth Proportional to 132,980,154,627.39, 183,512,790,356.70 and 72,012,626,986.79

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Solution

The fourth proportional to 132,980,154,627.39, 183,512,790,356.70 and 72,012,626,986.79 is: 99,377,521,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,980,154,627.39 : 183,512,790,356.70 = 72,012,626,986.79 : x
  2. Step 2: Convert to fraction form
    132,980,154,627.39/183,512,790,356.70 = 72,012,626,986.79/x
  3. Step 3: Cross multiply
    132,980,154,627.39x = 183,512,790,356.70 × 72,012,626,986.79
  4. Step 4: Simplify right side
    132,980,154,627.39x = 13,215,238,119,261,114,204,160
  5. Step 5: Solve for x
    x = 13,215,238,119,261,114,204,160/132,980,154,627.39
  6. Step 6: Final answer
    x = 99,377,521,076.66

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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.