Home / 148,711,156,020.76-205,222,090,282.51-84,485,404,569.53

Finding the Fourth Proportional to 148,711,156,020.76, 205,222,090,282.51 and 84,485,404,569.53

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Solution

The fourth proportional to 148,711,156,020.76, 205,222,090,282.51 and 84,485,404,569.53 is: 116,590,253,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,711,156,020.76 : 205,222,090,282.51 = 84,485,404,569.53 : x
  2. Step 2: Convert to fraction form
    148,711,156,020.76/205,222,090,282.51 = 84,485,404,569.53/x
  3. Step 3: Cross multiply
    148,711,156,020.76x = 205,222,090,282.51 × 84,485,404,569.53
  4. Step 4: Simplify right side
    148,711,156,020.76x = 17,338,271,324,121,442,811,904
  5. Step 5: Solve for x
    x = 17,338,271,324,121,442,811,904/148,711,156,020.76
  6. Step 6: Final answer
    x = 116,590,253,132.73

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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.