Home / 112,101,870.80-154,700,678.04-62,542,252.28

Finding the Fourth Proportional to 112,101,870.80, 154,700,678.04 and 62,542,252.28

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Solution

The fourth proportional to 112,101,870.80, 154,700,678.04 and 62,542,252.28 is: 86,308,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,870.80 : 154,700,678.04 = 62,542,252.28 : x
  2. Step 2: Convert to fraction form
    112,101,870.80/154,700,678.04 = 62,542,252.28/x
  3. Step 3: Cross multiply
    112,101,870.80x = 154,700,678.04 × 62,542,252.28
  4. Step 4: Simplify right side
    112,101,870.80x = 9,675,328,833,864,736
  5. Step 5: Solve for x
    x = 9,675,328,833,864,736/112,101,870.80
  6. Step 6: Final answer
    x = 86,308,361.89

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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.