Home / 122,175,394.23-168,605,369.91-66,424,565.91

Finding the Fourth Proportional to 122,175,394.23, 168,605,369.91 and 66,424,565.91

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Solution

The fourth proportional to 122,175,394.23, 168,605,369.91 and 66,424,565.91 is: 91,667,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,175,394.23 : 168,605,369.91 = 66,424,565.91 : x
  2. Step 2: Convert to fraction form
    122,175,394.23/168,605,369.91 = 66,424,565.91/x
  3. Step 3: Cross multiply
    122,175,394.23x = 168,605,369.91 × 66,424,565.91
  4. Step 4: Simplify right side
    122,175,394.23x = 11,199,538,506,366,724
  5. Step 5: Solve for x
    x = 11,199,538,506,366,724/122,175,394.23
  6. Step 6: Final answer
    x = 91,667,709.17

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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.