Home / 154,705,265.84-213,497,305.04-85,092,473.45

Finding the Fourth Proportional to 154,705,265.84, 213,497,305.04 and 85,092,473.45

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Solution

The fourth proportional to 154,705,265.84, 213,497,305.04 and 85,092,473.45 is: 117,429,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,705,265.84 : 213,497,305.04 = 85,092,473.45 : x
  2. Step 2: Convert to fraction form
    154,705,265.84/213,497,305.04 = 85,092,473.45/x
  3. Step 3: Cross multiply
    154,705,265.84x = 213,497,305.04 × 85,092,473.45
  4. Step 4: Simplify right side
    154,705,265.84x = 18,167,013,759,907,992
  5. Step 5: Solve for x
    x = 18,167,013,759,907,992/154,705,265.84
  6. Step 6: Final answer
    x = 117,429,834.48

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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.