Home / 92,685,718.80-139,028,578.20-71,228,624.40

Finding the Fourth Proportional to 92,685,718.80, 139,028,578.20 and 71,228,624.40

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Solution

The fourth proportional to 92,685,718.80, 139,028,578.20 and 71,228,624.40 is: 106,842,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685,718.80 : 139,028,578.20 = 71,228,624.40 : x
  2. Step 2: Convert to fraction form
    92,685,718.80/139,028,578.20 = 71,228,624.40/x
  3. Step 3: Cross multiply
    92,685,718.80x = 139,028,578.20 × 71,228,624.40
  4. Step 4: Simplify right side
    92,685,718.80x = 9,902,814,377,473,828
  5. Step 5: Solve for x
    x = 9,902,814,377,473,828/92,685,718.80
  6. Step 6: Final answer
    x = 106,842,936.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.