Home / 112,371,586.32-155,085,378.12-63,482,163.60

Finding the Fourth Proportional to 112,371,586.32, 155,085,378.12 and 63,482,163.60

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Solution

The fourth proportional to 112,371,586.32, 155,085,378.12 and 63,482,163.60 is: 87,612,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,586.32 : 155,085,378.12 = 63,482,163.60 : x
  2. Step 2: Convert to fraction form
    112,371,586.32/155,085,378.12 = 63,482,163.60/x
  3. Step 3: Cross multiply
    112,371,586.32x = 155,085,378.12 × 63,482,163.60
  4. Step 4: Simplify right side
    112,371,586.32x = 9,845,155,345,781,700
  5. Step 5: Solve for x
    x = 9,845,155,345,781,700/112,371,586.32
  6. Step 6: Final answer
    x = 87,612,497.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.