Home / 89,886,243-124,007,721.96-52,202,992.14

Finding the Fourth Proportional to 89,886,243, 124,007,721.96 and 52,202,992.14

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Solution

The fourth proportional to 89,886,243, 124,007,721.96 and 52,202,992.14 is: 72,019,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,886,243 : 124,007,721.96 = 52,202,992.14 : x
  2. Step 2: Convert to fraction form
    89,886,243/124,007,721.96 = 52,202,992.14/x
  3. Step 3: Cross multiply
    89,886,243x = 124,007,721.96 × 52,202,992.14
  4. Step 4: Simplify right side
    89,886,243x = 6,473,574,134,777,185
  5. Step 5: Solve for x
    x = 6,473,574,134,777,185/89,886,243
  6. Step 6: Final answer
    x = 72,019,631.91

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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.