Home / 84,942,429.74-127,332,919.72-54,150,590.58

Finding the Fourth Proportional to 84,942,429.74, 127,332,919.72 and 54,150,590.58

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Solution

The fourth proportional to 84,942,429.74, 127,332,919.72 and 54,150,590.58 is: 81,174,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942,429.74 : 127,332,919.72 = 54,150,590.58 : x
  2. Step 2: Convert to fraction form
    84,942,429.74/127,332,919.72 = 54,150,590.58/x
  3. Step 3: Cross multiply
    84,942,429.74x = 127,332,919.72 × 54,150,590.58
  4. Step 4: Simplify right side
    84,942,429.74x = 6,895,152,803,113,728
  5. Step 5: Solve for x
    x = 6,895,152,803,113,728/84,942,429.74
  6. Step 6: Final answer
    x = 81,174,423.95

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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.