Home / 103,517,584.70-155,144,500.95-55,018,672.70

Finding the Fourth Proportional to 103,517,584.70, 155,144,500.95 and 55,018,672.70

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Solution

The fourth proportional to 103,517,584.70, 155,144,500.95 and 55,018,672.70 is: 82,457,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,584.70 : 155,144,500.95 = 55,018,672.70 : x
  2. Step 2: Convert to fraction form
    103,517,584.70/155,144,500.95 = 55,018,672.70/x
  3. Step 3: Cross multiply
    103,517,584.70x = 155,144,500.95 × 55,018,672.70
  4. Step 4: Simplify right side
    103,517,584.70x = 8,535,844,518,972,889
  5. Step 5: Solve for x
    x = 8,535,844,518,972,889/103,517,584.70
  6. Step 6: Final answer
    x = 82,457,918.08

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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.