Home / 84,942,427.75-127,332,916.72-54,150,588.59

Finding the Fourth Proportional to 84,942,427.75, 127,332,916.72 and 54,150,588.59

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Solution

The fourth proportional to 84,942,427.75, 127,332,916.72 and 54,150,588.59 is: 81,174,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942,427.75 : 127,332,916.72 = 54,150,588.59 : x
  2. Step 2: Convert to fraction form
    84,942,427.75/127,332,916.72 = 54,150,588.59/x
  3. Step 3: Cross multiply
    84,942,427.75x = 127,332,916.72 × 54,150,588.59
  4. Step 4: Simplify right side
    84,942,427.75x = 6,895,152,386,497,411
  5. Step 5: Solve for x
    x = 6,895,152,386,497,411/84,942,427.75
  6. Step 6: Final answer
    x = 81,174,420.95

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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.