Home / 131,166,842,536.28-181,010,328,108.54-71,019,852,362.84

Finding the Fourth Proportional to 131,166,842,536.28, 181,010,328,108.54 and 71,019,852,362.84

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Solution

The fourth proportional to 131,166,842,536.28, 181,010,328,108.54 and 71,019,852,362.84 is: 98,007,442,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166,842,536.28 : 181,010,328,108.54 = 71,019,852,362.84 : x
  2. Step 2: Convert to fraction form
    131,166,842,536.28/181,010,328,108.54 = 71,019,852,362.84/x
  3. Step 3: Cross multiply
    131,166,842,536.28x = 181,010,328,108.54 × 71,019,852,362.84
  4. Step 4: Simplify right side
    131,166,842,536.28x = 12,855,326,778,417,737,629,696
  5. Step 5: Solve for x
    x = 12,855,326,778,417,737,629,696/131,166,842,536.28
  6. Step 6: Final answer
    x = 98,007,442,504.85

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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.