Home / 31,178,145.60-46,767,218.40-25,509,441.60

Finding the Fourth Proportional to 31,178,145.60, 46,767,218.40 and 25,509,441.60

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Solution

The fourth proportional to 31,178,145.60, 46,767,218.40 and 25,509,441.60 is: 38,264,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,145.60 : 46,767,218.40 = 25,509,441.60 : x
  2. Step 2: Convert to fraction form
    31,178,145.60/46,767,218.40 = 25,509,441.60/x
  3. Step 3: Cross multiply
    31,178,145.60x = 46,767,218.40 × 25,509,441.60
  4. Step 4: Simplify right side
    31,178,145.60x = 1,193,005,626,569,245.50
  5. Step 5: Solve for x
    x = 1,193,005,626,569,245.50/31,178,145.60
  6. Step 6: Final answer
    x = 38,264,162.40

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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.