Home / 131,166,842,535.28-181,010,328,107.16-71,019,852,361.84

Finding the Fourth Proportional to 131,166,842,535.28, 181,010,328,107.16 and 71,019,852,361.84

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Solution

The fourth proportional to 131,166,842,535.28, 181,010,328,107.16 and 71,019,852,361.84 is: 98,007,442,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166,842,535.28 : 181,010,328,107.16 = 71,019,852,361.84 : x
  2. Step 2: Convert to fraction form
    131,166,842,535.28/181,010,328,107.16 = 71,019,852,361.84/x
  3. Step 3: Cross multiply
    131,166,842,535.28x = 181,010,328,107.16 × 71,019,852,361.84
  4. Step 4: Simplify right side
    131,166,842,535.28x = 12,855,326,778,138,719,944,704
  5. Step 5: Solve for x
    x = 12,855,326,778,138,719,944,704/131,166,842,535.28
  6. Step 6: Final answer
    x = 98,007,442,503.47

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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.