Home / 103,612,539.70-155,391,718.35-30,809,710.90

Finding the Fourth Proportional to 103,612,539.70, 155,391,718.35 and 30,809,710.90

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Solution

The fourth proportional to 103,612,539.70, 155,391,718.35 and 30,809,710.90 is: 46,206,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,539.70 : 155,391,718.35 = 30,809,710.90 : x
  2. Step 2: Convert to fraction form
    103,612,539.70/155,391,718.35 = 30,809,710.90/x
  3. Step 3: Cross multiply
    103,612,539.70x = 155,391,718.35 × 30,809,710.90
  4. Step 4: Simplify right side
    103,612,539.70x = 4,787,573,918,617,725
  5. Step 5: Solve for x
    x = 4,787,573,918,617,725/103,612,539.70
  6. Step 6: Final answer
    x = 46,206,510.65

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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.